Home / 5,254.38-7,250.87-2,864.30

Finding the Fourth Proportional to 5,254.38, 7,250.87 and 2,864.30

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Solution

The fourth proportional to 5,254.38, 7,250.87 and 2,864.30 is: 3,952.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.38 : 7,250.87 = 2,864.30 : x
  2. Step 2: Convert to fraction form
    5,254.38/7,250.87 = 2,864.30/x
  3. Step 3: Cross multiply
    5,254.38x = 7,250.87 × 2,864.30
  4. Step 4: Simplify right side
    5,254.38x = 20,768,637.85
  5. Step 5: Solve for x
    x = 20,768,637.85/5,254.38
  6. Step 6: Final answer
    x = 3,952.63

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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.