Home / 6,947.20-9,587.10-6,382.38

Finding the Fourth Proportional to 6,947.20, 9,587.10 and 6,382.38

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Solution

The fourth proportional to 6,947.20, 9,587.10 and 6,382.38 is: 8,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.20 : 9,587.10 = 6,382.38 : x
  2. Step 2: Convert to fraction form
    6,947.20/9,587.10 = 6,382.38/x
  3. Step 3: Cross multiply
    6,947.20x = 9,587.10 × 6,382.38
  4. Step 4: Simplify right side
    6,947.20x = 61,188,515.30
  5. Step 5: Solve for x
    x = 61,188,515.30/6,947.20
  6. Step 6: Final answer
    x = 8,807.65

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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.