Home / 5,721.57-8,565.35-3,248.64

Finding the Fourth Proportional to 5,721.57, 8,565.35 and 3,248.64

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Solution

The fourth proportional to 5,721.57, 8,565.35 and 3,248.64 is: 4,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.57 : 8,565.35 = 3,248.64 : x
  2. Step 2: Convert to fraction form
    5,721.57/8,565.35 = 3,248.64/x
  3. Step 3: Cross multiply
    5,721.57x = 8,565.35 × 3,248.64
  4. Step 4: Simplify right side
    5,721.57x = 27,825,722.38
  5. Step 5: Solve for x
    x = 27,825,722.38/5,721.57
  6. Step 6: Final answer
    x = 4,863.30

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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.