Home / 5,250.16-7,875.39-1,354.56

Finding the Fourth Proportional to 5,250.16, 7,875.39 and 1,354.56

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Solution

The fourth proportional to 5,250.16, 7,875.39 and 1,354.56 is: 2,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.16 : 7,875.39 = 1,354.56 : x
  2. Step 2: Convert to fraction form
    5,250.16/7,875.39 = 1,354.56/x
  3. Step 3: Cross multiply
    5,250.16x = 7,875.39 × 1,354.56
  4. Step 4: Simplify right side
    5,250.16x = 10,667,704.58
  5. Step 5: Solve for x
    x = 10,667,704.58/5,250.16
  6. Step 6: Final answer
    x = 2,031.88

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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.