Home / 5,057.28-7,591.32-2,870.28

Finding the Fourth Proportional to 5,057.28, 7,591.32 and 2,870.28

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Solution

The fourth proportional to 5,057.28, 7,591.32 and 2,870.28 is: 4,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.28 : 7,591.32 = 2,870.28 : x
  2. Step 2: Convert to fraction form
    5,057.28/7,591.32 = 2,870.28/x
  3. Step 3: Cross multiply
    5,057.28x = 7,591.32 × 2,870.28
  4. Step 4: Simplify right side
    5,057.28x = 21,789,213.97
  5. Step 5: Solve for x
    x = 21,789,213.97/5,057.28
  6. Step 6: Final answer
    x = 4,308.48

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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.