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Finding the Fourth Proportional to 6,652.85, 9,182.70 and 3,929.77

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Solution

The fourth proportional to 6,652.85, 9,182.70 and 3,929.77 is: 5,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.85 : 9,182.70 = 3,929.77 : x
  2. Step 2: Convert to fraction form
    6,652.85/9,182.70 = 3,929.77/x
  3. Step 3: Cross multiply
    6,652.85x = 9,182.70 × 3,929.77
  4. Step 4: Simplify right side
    6,652.85x = 36,085,898.98
  5. Step 5: Solve for x
    x = 36,085,898.98/6,652.85
  6. Step 6: Final answer
    x = 5,424.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.