Home / 8,743.70-13,119.42-4,582.72

Finding the Fourth Proportional to 8,743.70, 13,119.42 and 4,582.72

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Solution

The fourth proportional to 8,743.70, 13,119.42 and 4,582.72 is: 6,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.70 : 13,119.42 = 4,582.72 : x
  2. Step 2: Convert to fraction form
    8,743.70/13,119.42 = 4,582.72/x
  3. Step 3: Cross multiply
    8,743.70x = 13,119.42 × 4,582.72
  4. Step 4: Simplify right side
    8,743.70x = 60,122,562.83
  5. Step 5: Solve for x
    x = 60,122,562.83/8,743.70
  6. Step 6: Final answer
    x = 6,876.10

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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.