Home / 7,415.34-10,232.35-4,430.76

Finding the Fourth Proportional to 7,415.34, 10,232.35 and 4,430.76

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Solution

The fourth proportional to 7,415.34, 10,232.35 and 4,430.76 is: 6,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.34 : 10,232.35 = 4,430.76 : x
  2. Step 2: Convert to fraction form
    7,415.34/10,232.35 = 4,430.76/x
  3. Step 3: Cross multiply
    7,415.34x = 10,232.35 × 4,430.76
  4. Step 4: Simplify right side
    7,415.34x = 45,337,087.09
  5. Step 5: Solve for x
    x = 45,337,087.09/7,415.34
  6. Step 6: Final answer
    x = 6,113.96

Related Problems

Find fourth proportional to 3,707.67, 5,116.18 and 2,215.38
Half scale
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Double scale
Find fourth proportional to 7,416.34, 10,233.73 and 4,431.76
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.