Home / 5,531.10-8,296.65-1,427.10

Finding the Fourth Proportional to 5,531.10, 8,296.65 and 1,427.10

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Solution

The fourth proportional to 5,531.10, 8,296.65 and 1,427.10 is: 2,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.10 : 8,296.65 = 1,427.10 : x
  2. Step 2: Convert to fraction form
    5,531.10/8,296.65 = 1,427.10/x
  3. Step 3: Cross multiply
    5,531.10x = 8,296.65 × 1,427.10
  4. Step 4: Simplify right side
    5,531.10x = 11,840,149.22
  5. Step 5: Solve for x
    x = 11,840,149.22/5,531.10
  6. Step 6: Final answer
    x = 2,140.65

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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.