Home / 5,721.12-8,581.56-1,825.46

Finding the Fourth Proportional to 5,721.12, 8,581.56 and 1,825.46

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Solution

The fourth proportional to 5,721.12, 8,581.56 and 1,825.46 is: 2,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.12 : 8,581.56 = 1,825.46 : x
  2. Step 2: Convert to fraction form
    5,721.12/8,581.56 = 1,825.46/x
  3. Step 3: Cross multiply
    5,721.12x = 8,581.56 × 1,825.46
  4. Step 4: Simplify right side
    5,721.12x = 15,665,294.52
  5. Step 5: Solve for x
    x = 15,665,294.52/5,721.12
  6. Step 6: Final answer
    x = 2,738.15

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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.