Home / 7,487.04-11,233.92-5,290.56

Finding the Fourth Proportional to 7,487.04, 11,233.92 and 5,290.56

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Solution

The fourth proportional to 7,487.04, 11,233.92 and 5,290.56 is: 7,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.04 : 11,233.92 = 5,290.56 : x
  2. Step 2: Convert to fraction form
    7,487.04/11,233.92 = 5,290.56/x
  3. Step 3: Cross multiply
    7,487.04x = 11,233.92 × 5,290.56
  4. Step 4: Simplify right side
    7,487.04x = 59,433,727.80
  5. Step 5: Solve for x
    x = 59,433,727.80/7,487.04
  6. Step 6: Final answer
    x = 7,938.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.