Home / 8,869.11-13,306.47-4,188.93

Finding the Fourth Proportional to 8,869.11, 13,306.47 and 4,188.93

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Solution

The fourth proportional to 8,869.11, 13,306.47 and 4,188.93 is: 6,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.11 : 13,306.47 = 4,188.93 : x
  2. Step 2: Convert to fraction form
    8,869.11/13,306.47 = 4,188.93/x
  3. Step 3: Cross multiply
    8,869.11x = 13,306.47 × 4,188.93
  4. Step 4: Simplify right side
    8,869.11x = 55,739,871.38
  5. Step 5: Solve for x
    x = 55,739,871.38/8,869.11
  6. Step 6: Final answer
    x = 6,284.72

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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.