Home / 4,715.28-7,073.40-1,252.88

Finding the Fourth Proportional to 4,715.28, 7,073.40 and 1,252.88

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Solution

The fourth proportional to 4,715.28, 7,073.40 and 1,252.88 is: 1,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.28 : 7,073.40 = 1,252.88 : x
  2. Step 2: Convert to fraction form
    4,715.28/7,073.40 = 1,252.88/x
  3. Step 3: Cross multiply
    4,715.28x = 7,073.40 × 1,252.88
  4. Step 4: Simplify right side
    4,715.28x = 8,862,121.39
  5. Step 5: Solve for x
    x = 8,862,121.39/4,715.28
  6. Step 6: Final answer
    x = 1,879.45

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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.