Home / 6,247.90-9,371.85-5,643.10

Finding the Fourth Proportional to 6,247.90, 9,371.85 and 5,643.10

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Solution

The fourth proportional to 6,247.90, 9,371.85 and 5,643.10 is: 8,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.90 : 9,371.85 = 5,643.10 : x
  2. Step 2: Convert to fraction form
    6,247.90/9,371.85 = 5,643.10/x
  3. Step 3: Cross multiply
    6,247.90x = 9,371.85 × 5,643.10
  4. Step 4: Simplify right side
    6,247.90x = 52,886,286.74
  5. Step 5: Solve for x
    x = 52,886,286.74/6,247.90
  6. Step 6: Final answer
    x = 8,464.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.