Home / 8,677.05-13,006.65-3,742.53

Finding the Fourth Proportional to 8,677.05, 13,006.65 and 3,742.53

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Solution

The fourth proportional to 8,677.05, 13,006.65 and 3,742.53 is: 5,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.05 : 13,006.65 = 3,742.53 : x
  2. Step 2: Convert to fraction form
    8,677.05/13,006.65 = 3,742.53/x
  3. Step 3: Cross multiply
    8,677.05x = 13,006.65 × 3,742.53
  4. Step 4: Simplify right side
    8,677.05x = 48,677,777.82
  5. Step 5: Solve for x
    x = 48,677,777.82/8,677.05
  6. Step 6: Final answer
    x = 5,609.95

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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.