Home / 5,437.28-8,155.65-1,927.22

Finding the Fourth Proportional to 5,437.28, 8,155.65 and 1,927.22

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Solution

The fourth proportional to 5,437.28, 8,155.65 and 1,927.22 is: 2,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.28 : 8,155.65 = 1,927.22 : x
  2. Step 2: Convert to fraction form
    5,437.28/8,155.65 = 1,927.22/x
  3. Step 3: Cross multiply
    5,437.28x = 8,155.65 × 1,927.22
  4. Step 4: Simplify right side
    5,437.28x = 15,717,691.01
  5. Step 5: Solve for x
    x = 15,717,691.01/5,437.28
  6. Step 6: Final answer
    x = 2,890.73

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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.