Home / 5,456.28-8,187.30-2,378.52

Finding the Fourth Proportional to 5,456.28, 8,187.30 and 2,378.52

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Solution

The fourth proportional to 5,456.28, 8,187.30 and 2,378.52 is: 3,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.28 : 8,187.30 = 2,378.52 : x
  2. Step 2: Convert to fraction form
    5,456.28/8,187.30 = 2,378.52/x
  3. Step 3: Cross multiply
    5,456.28x = 8,187.30 × 2,378.52
  4. Step 4: Simplify right side
    5,456.28x = 19,473,656.80
  5. Step 5: Solve for x
    x = 19,473,656.80/5,456.28
  6. Step 6: Final answer
    x = 3,569.04

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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.