Home / 8,747.85-13,123.65-3,201.18

Finding the Fourth Proportional to 8,747.85, 13,123.65 and 3,201.18

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Solution

The fourth proportional to 8,747.85, 13,123.65 and 3,201.18 is: 4,802.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.85 : 13,123.65 = 3,201.18 : x
  2. Step 2: Convert to fraction form
    8,747.85/13,123.65 = 3,201.18/x
  3. Step 3: Cross multiply
    8,747.85x = 13,123.65 × 3,201.18
  4. Step 4: Simplify right side
    8,747.85x = 42,011,165.91
  5. Step 5: Solve for x
    x = 42,011,165.91/8,747.85
  6. Step 6: Final answer
    x = 4,802.46

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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.