Home / 5,231.52-7,219.62-2,873.88

Finding the Fourth Proportional to 5,231.52, 7,219.62 and 2,873.88

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Solution

The fourth proportional to 5,231.52, 7,219.62 and 2,873.88 is: 3,966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.52 : 7,219.62 = 2,873.88 : x
  2. Step 2: Convert to fraction form
    5,231.52/7,219.62 = 2,873.88/x
  3. Step 3: Cross multiply
    5,231.52x = 7,219.62 × 2,873.88
  4. Step 4: Simplify right side
    5,231.52x = 20,748,321.53
  5. Step 5: Solve for x
    x = 20,748,321.53/5,231.52
  6. Step 6: Final answer
    x = 3,966.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.