Home / 6,319.81-9,479.72-2,425.13

Finding the Fourth Proportional to 6,319.81, 9,479.72 and 2,425.13

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Solution

The fourth proportional to 6,319.81, 9,479.72 and 2,425.13 is: 3,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.81 : 9,479.72 = 2,425.13 : x
  2. Step 2: Convert to fraction form
    6,319.81/9,479.72 = 2,425.13/x
  3. Step 3: Cross multiply
    6,319.81x = 9,479.72 × 2,425.13
  4. Step 4: Simplify right side
    6,319.81x = 22,989,553.36
  5. Step 5: Solve for x
    x = 22,989,553.36/6,319.81
  6. Step 6: Final answer
    x = 3,637.70

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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.