Home / 7,489.28-11,240.04-5,300.12

Finding the Fourth Proportional to 7,489.28, 11,240.04 and 5,300.12

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Solution

The fourth proportional to 7,489.28, 11,240.04 and 5,300.12 is: 7,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.28 : 11,240.04 = 5,300.12 : x
  2. Step 2: Convert to fraction form
    7,489.28/11,240.04 = 5,300.12/x
  3. Step 3: Cross multiply
    7,489.28x = 11,240.04 × 5,300.12
  4. Step 4: Simplify right side
    7,489.28x = 59,573,560.80
  5. Step 5: Solve for x
    x = 59,573,560.80/7,489.28
  6. Step 6: Final answer
    x = 7,954.51

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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.