Home / 5,714.40-8,565.20-3,250.40

Finding the Fourth Proportional to 5,714.40, 8,565.20 and 3,250.40

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Solution

The fourth proportional to 5,714.40, 8,565.20 and 3,250.40 is: 4,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.40 : 8,565.20 = 3,250.40 : x
  2. Step 2: Convert to fraction form
    5,714.40/8,565.20 = 3,250.40/x
  3. Step 3: Cross multiply
    5,714.40x = 8,565.20 × 3,250.40
  4. Step 4: Simplify right side
    5,714.40x = 27,840,326.08
  5. Step 5: Solve for x
    x = 27,840,326.08/5,714.40
  6. Step 6: Final answer
    x = 4,871.96

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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.