Home / 8,756.10-13,123.17-4,374.81

Finding the Fourth Proportional to 8,756.10, 13,123.17 and 4,374.81

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Solution

The fourth proportional to 8,756.10, 13,123.17 and 4,374.81 is: 6,556.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.10 : 13,123.17 = 4,374.81 : x
  2. Step 2: Convert to fraction form
    8,756.10/13,123.17 = 4,374.81/x
  3. Step 3: Cross multiply
    8,756.10x = 13,123.17 × 4,374.81
  4. Step 4: Simplify right side
    8,756.10x = 57,411,375.35
  5. Step 5: Solve for x
    x = 57,411,375.35/8,756.10
  6. Step 6: Final answer
    x = 6,556.73

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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.