Home / 5,576.30-8,364.45-2,287.70

Finding the Fourth Proportional to 5,576.30, 8,364.45 and 2,287.70

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Solution

The fourth proportional to 5,576.30, 8,364.45 and 2,287.70 is: 3,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.30 : 8,364.45 = 2,287.70 : x
  2. Step 2: Convert to fraction form
    5,576.30/8,364.45 = 2,287.70/x
  3. Step 3: Cross multiply
    5,576.30x = 8,364.45 × 2,287.70
  4. Step 4: Simplify right side
    5,576.30x = 19,135,352.27
  5. Step 5: Solve for x
    x = 19,135,352.27/5,576.30
  6. Step 6: Final answer
    x = 3,431.55

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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.