Home / 6,382.20-8,807.32-3,549.56

Finding the Fourth Proportional to 6,382.20, 8,807.32 and 3,549.56

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Solution

The fourth proportional to 6,382.20, 8,807.32 and 3,549.56 is: 4,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.20 : 8,807.32 = 3,549.56 : x
  2. Step 2: Convert to fraction form
    6,382.20/8,807.32 = 3,549.56/x
  3. Step 3: Cross multiply
    6,382.20x = 8,807.32 × 3,549.56
  4. Step 4: Simplify right side
    6,382.20x = 31,262,110.78
  5. Step 5: Solve for x
    x = 31,262,110.78/6,382.20
  6. Step 6: Final answer
    x = 4,898.33

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1.5x scale

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.