Home / 5,443.40-8,165.10-4,349.90

Finding the Fourth Proportional to 5,443.40, 8,165.10 and 4,349.90

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Solution

The fourth proportional to 5,443.40, 8,165.10 and 4,349.90 is: 6,524.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.40 : 8,165.10 = 4,349.90 : x
  2. Step 2: Convert to fraction form
    5,443.40/8,165.10 = 4,349.90/x
  3. Step 3: Cross multiply
    5,443.40x = 8,165.10 × 4,349.90
  4. Step 4: Simplify right side
    5,443.40x = 35,517,368.49
  5. Step 5: Solve for x
    x = 35,517,368.49/5,443.40
  6. Step 6: Final answer
    x = 6,524.85

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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.