Home / 7,549.40-10,428.14-6,294.56

Finding the Fourth Proportional to 7,549.40, 10,428.14 and 6,294.56

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Solution

The fourth proportional to 7,549.40, 10,428.14 and 6,294.56 is: 8,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.40 : 10,428.14 = 6,294.56 : x
  2. Step 2: Convert to fraction form
    7,549.40/10,428.14 = 6,294.56/x
  3. Step 3: Cross multiply
    7,549.40x = 10,428.14 × 6,294.56
  4. Step 4: Simplify right side
    7,549.40x = 65,640,552.92
  5. Step 5: Solve for x
    x = 65,640,552.92/7,549.40
  6. Step 6: Final answer
    x = 8,694.80

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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.