Home / 6,382.29-8,807.74-3,864.85

Finding the Fourth Proportional to 6,382.29, 8,807.74 and 3,864.85

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Solution

The fourth proportional to 6,382.29, 8,807.74 and 3,864.85 is: 5,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.29 : 8,807.74 = 3,864.85 : x
  2. Step 2: Convert to fraction form
    6,382.29/8,807.74 = 3,864.85/x
  3. Step 3: Cross multiply
    6,382.29x = 8,807.74 × 3,864.85
  4. Step 4: Simplify right side
    6,382.29x = 34,040,593.94
  5. Step 5: Solve for x
    x = 34,040,593.94/6,382.29
  6. Step 6: Final answer
    x = 5,333.60

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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.