Home / 7,430.76-10,254.56-4,446.72

Finding the Fourth Proportional to 7,430.76, 10,254.56 and 4,446.72

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Solution

The fourth proportional to 7,430.76, 10,254.56 and 4,446.72 is: 6,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.76 : 10,254.56 = 4,446.72 : x
  2. Step 2: Convert to fraction form
    7,430.76/10,254.56 = 4,446.72/x
  3. Step 3: Cross multiply
    7,430.76x = 10,254.56 × 4,446.72
  4. Step 4: Simplify right side
    7,430.76x = 45,599,157.04
  5. Step 5: Solve for x
    x = 45,599,157.04/7,430.76
  6. Step 6: Final answer
    x = 6,136.54

Related Problems

Find fourth proportional to 3,715.38, 5,127.28 and 2,223.36
Half scale
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Double scale
Find fourth proportional to 7,431.76, 10,255.94 and 4,447.72
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.