Home / 5,081.40-7,622.10-4,433.40

Finding the Fourth Proportional to 5,081.40, 7,622.10 and 4,433.40

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Solution

The fourth proportional to 5,081.40, 7,622.10 and 4,433.40 is: 6,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.40 : 7,622.10 = 4,433.40 : x
  2. Step 2: Convert to fraction form
    5,081.40/7,622.10 = 4,433.40/x
  3. Step 3: Cross multiply
    5,081.40x = 7,622.10 × 4,433.40
  4. Step 4: Simplify right side
    5,081.40x = 33,791,818.14
  5. Step 5: Solve for x
    x = 33,791,818.14/5,081.40
  6. Step 6: Final answer
    x = 6,650.10

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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.