Home / 5,437.68-8,151.57-1,974.12

Finding the Fourth Proportional to 5,437.68, 8,151.57 and 1,974.12

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Solution

The fourth proportional to 5,437.68, 8,151.57 and 1,974.12 is: 2,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.68 : 8,151.57 = 1,974.12 : x
  2. Step 2: Convert to fraction form
    5,437.68/8,151.57 = 1,974.12/x
  3. Step 3: Cross multiply
    5,437.68x = 8,151.57 × 1,974.12
  4. Step 4: Simplify right side
    5,437.68x = 16,092,177.37
  5. Step 5: Solve for x
    x = 16,092,177.37/5,437.68
  6. Step 6: Final answer
    x = 2,959.38

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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.