Home / 8,890.60-13,340.55-5,769.87

Finding the Fourth Proportional to 8,890.60, 13,340.55 and 5,769.87

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Solution

The fourth proportional to 8,890.60, 13,340.55 and 5,769.87 is: 8,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.60 : 13,340.55 = 5,769.87 : x
  2. Step 2: Convert to fraction form
    8,890.60/13,340.55 = 5,769.87/x
  3. Step 3: Cross multiply
    8,890.60x = 13,340.55 × 5,769.87
  4. Step 4: Simplify right side
    8,890.60x = 76,973,239.23
  5. Step 5: Solve for x
    x = 76,973,239.23/8,890.60
  6. Step 6: Final answer
    x = 8,657.83

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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.