Home / 4,874.96-7,295.42-3,987.20

Finding the Fourth Proportional to 4,874.96, 7,295.42 and 3,987.20

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Solution

The fourth proportional to 4,874.96, 7,295.42 and 3,987.20 is: 5,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.96 : 7,295.42 = 3,987.20 : x
  2. Step 2: Convert to fraction form
    4,874.96/7,295.42 = 3,987.20/x
  3. Step 3: Cross multiply
    4,874.96x = 7,295.42 × 3,987.20
  4. Step 4: Simplify right side
    4,874.96x = 29,088,298.62
  5. Step 5: Solve for x
    x = 29,088,298.62/4,874.96
  6. Step 6: Final answer
    x = 5,966.88

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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.