Home / 4,487.28-6,730.44-1,565.64

Finding the Fourth Proportional to 4,487.28, 6,730.44 and 1,565.64

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Solution

The fourth proportional to 4,487.28, 6,730.44 and 1,565.64 is: 2,348.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.28 : 6,730.44 = 1,565.64 : x
  2. Step 2: Convert to fraction form
    4,487.28/6,730.44 = 1,565.64/x
  3. Step 3: Cross multiply
    4,487.28x = 6,730.44 × 1,565.64
  4. Step 4: Simplify right side
    4,487.28x = 10,537,446.08
  5. Step 5: Solve for x
    x = 10,537,446.08/4,487.28
  6. Step 6: Final answer
    x = 2,348.29

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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.