Home / 6,690.90-10,033.19-2,472.78

Finding the Fourth Proportional to 6,690.90, 10,033.19 and 2,472.78

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Solution

The fourth proportional to 6,690.90, 10,033.19 and 2,472.78 is: 3,708.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.90 : 10,033.19 = 2,472.78 : x
  2. Step 2: Convert to fraction form
    6,690.90/10,033.19 = 2,472.78/x
  3. Step 3: Cross multiply
    6,690.90x = 10,033.19 × 2,472.78
  4. Step 4: Simplify right side
    6,690.90x = 24,809,856.62
  5. Step 5: Solve for x
    x = 24,809,856.62/6,690.90
  6. Step 6: Final answer
    x = 3,708.00

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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.