Home / 7,431.12-10,255.27-4,446.39

Finding the Fourth Proportional to 7,431.12, 10,255.27 and 4,446.39

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Solution

The fourth proportional to 7,431.12, 10,255.27 and 4,446.39 is: 6,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.12 : 10,255.27 = 4,446.39 : x
  2. Step 2: Convert to fraction form
    7,431.12/10,255.27 = 4,446.39/x
  3. Step 3: Cross multiply
    7,431.12x = 10,255.27 × 4,446.39
  4. Step 4: Simplify right side
    7,431.12x = 45,598,889.81
  5. Step 5: Solve for x
    x = 45,598,889.81/7,431.12
  6. Step 6: Final answer
    x = 6,136.20

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Half scale
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Double scale
Find fourth proportional to 7,432.12, 10,256.65 and 4,447.39
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.