Home / 6,257.28-9,387.36-1,874.64

Finding the Fourth Proportional to 6,257.28, 9,387.36 and 1,874.64

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Solution

The fourth proportional to 6,257.28, 9,387.36 and 1,874.64 is: 2,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.28 : 9,387.36 = 1,874.64 : x
  2. Step 2: Convert to fraction form
    6,257.28/9,387.36 = 1,874.64/x
  3. Step 3: Cross multiply
    6,257.28x = 9,387.36 × 1,874.64
  4. Step 4: Simplify right side
    6,257.28x = 17,597,920.55
  5. Step 5: Solve for x
    x = 17,597,920.55/6,257.28
  6. Step 6: Final answer
    x = 2,812.39

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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.