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Finding the Fourth Proportional to 5,869.16, 8,795.80 and 2,167.92

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Solution

The fourth proportional to 5,869.16, 8,795.80 and 2,167.92 is: 3,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.16 : 8,795.80 = 2,167.92 : x
  2. Step 2: Convert to fraction form
    5,869.16/8,795.80 = 2,167.92/x
  3. Step 3: Cross multiply
    5,869.16x = 8,795.80 × 2,167.92
  4. Step 4: Simplify right side
    5,869.16x = 19,068,590.74
  5. Step 5: Solve for x
    x = 19,068,590.74/5,869.16
  6. Step 6: Final answer
    x = 3,248.95

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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.