Home / 8,865.60-13,301.46-3,938.70

Finding the Fourth Proportional to 8,865.60, 13,301.46 and 3,938.70

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Solution

The fourth proportional to 8,865.60, 13,301.46 and 3,938.70 is: 5,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.60 : 13,301.46 = 3,938.70 : x
  2. Step 2: Convert to fraction form
    8,865.60/13,301.46 = 3,938.70/x
  3. Step 3: Cross multiply
    8,865.60x = 13,301.46 × 3,938.70
  4. Step 4: Simplify right side
    8,865.60x = 52,390,460.50
  5. Step 5: Solve for x
    x = 52,390,460.50/8,865.60
  6. Step 6: Final answer
    x = 5,909.41

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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.