Home / 8,577.50-12,854.70-3,645.81

Finding the Fourth Proportional to 8,577.50, 12,854.70 and 3,645.81

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Solution

The fourth proportional to 8,577.50, 12,854.70 and 3,645.81 is: 5,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.50 : 12,854.70 = 3,645.81 : x
  2. Step 2: Convert to fraction form
    8,577.50/12,854.70 = 3,645.81/x
  3. Step 3: Cross multiply
    8,577.50x = 12,854.70 × 3,645.81
  4. Step 4: Simplify right side
    8,577.50x = 46,865,793.81
  5. Step 5: Solve for x
    x = 46,865,793.81/8,577.50
  6. Step 6: Final answer
    x = 5,463.81

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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.