Home / 5,387.33-8,080.47-1,876.49

Finding the Fourth Proportional to 5,387.33, 8,080.47 and 1,876.49

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Solution

The fourth proportional to 5,387.33, 8,080.47 and 1,876.49 is: 2,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.33 : 8,080.47 = 1,876.49 : x
  2. Step 2: Convert to fraction form
    5,387.33/8,080.47 = 1,876.49/x
  3. Step 3: Cross multiply
    5,387.33x = 8,080.47 × 1,876.49
  4. Step 4: Simplify right side
    5,387.33x = 15,162,921.15
  5. Step 5: Solve for x
    x = 15,162,921.15/5,387.33
  6. Step 6: Final answer
    x = 2,814.55

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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.