Home / 4,565.38-6,847.56-1,278.74

Finding the Fourth Proportional to 4,565.38, 6,847.56 and 1,278.74

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Solution

The fourth proportional to 4,565.38, 6,847.56 and 1,278.74 is: 1,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,565.38 : 6,847.56 = 1,278.74 : x
  2. Step 2: Convert to fraction form
    4,565.38/6,847.56 = 1,278.74/x
  3. Step 3: Cross multiply
    4,565.38x = 6,847.56 × 1,278.74
  4. Step 4: Simplify right side
    4,565.38x = 8,756,248.87
  5. Step 5: Solve for x
    x = 8,756,248.87/4,565.38
  6. Step 6: Final answer
    x = 1,917.97

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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.