Home / 4,085.28-6,127.92-1,007.28

Finding the Fourth Proportional to 4,085.28, 6,127.92 and 1,007.28

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Solution

The fourth proportional to 4,085.28, 6,127.92 and 1,007.28 is: 1,510.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.28 : 6,127.92 = 1,007.28 : x
  2. Step 2: Convert to fraction form
    4,085.28/6,127.92 = 1,007.28/x
  3. Step 3: Cross multiply
    4,085.28x = 6,127.92 × 1,007.28
  4. Step 4: Simplify right side
    4,085.28x = 6,172,531.26
  5. Step 5: Solve for x
    x = 6,172,531.26/4,085.28
  6. Step 6: Final answer
    x = 1,510.92

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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.