Home / 7,510.10-11,265.17-3,127.50

Finding the Fourth Proportional to 7,510.10, 11,265.17 and 3,127.50

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Solution

The fourth proportional to 7,510.10, 11,265.17 and 3,127.50 is: 4,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.10 : 11,265.17 = 3,127.50 : x
  2. Step 2: Convert to fraction form
    7,510.10/11,265.17 = 3,127.50/x
  3. Step 3: Cross multiply
    7,510.10x = 11,265.17 × 3,127.50
  4. Step 4: Simplify right side
    7,510.10x = 35,231,803.54
  5. Step 5: Solve for x
    x = 35,231,803.54/7,510.10
  6. Step 6: Final answer
    x = 4,691.26

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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.