Home / 5,515.38-8,273.06-1,411.38

Finding the Fourth Proportional to 5,515.38, 8,273.06 and 1,411.38

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Solution

The fourth proportional to 5,515.38, 8,273.06 and 1,411.38 is: 2,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.38 : 8,273.06 = 1,411.38 : x
  2. Step 2: Convert to fraction form
    5,515.38/8,273.06 = 1,411.38/x
  3. Step 3: Cross multiply
    5,515.38x = 8,273.06 × 1,411.38
  4. Step 4: Simplify right side
    5,515.38x = 11,676,431.42
  5. Step 5: Solve for x
    x = 11,676,431.42/5,515.38
  6. Step 6: Final answer
    x = 2,117.07

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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.