Home / 5,614.08-8,421.20-2,691.70

Finding the Fourth Proportional to 5,614.08, 8,421.20 and 2,691.70

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Solution

The fourth proportional to 5,614.08, 8,421.20 and 2,691.70 is: 4,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.08 : 8,421.20 = 2,691.70 : x
  2. Step 2: Convert to fraction form
    5,614.08/8,421.20 = 2,691.70/x
  3. Step 3: Cross multiply
    5,614.08x = 8,421.20 × 2,691.70
  4. Step 4: Simplify right side
    5,614.08x = 22,667,371.82
  5. Step 5: Solve for x
    x = 22,667,371.82/5,614.08
  6. Step 6: Final answer
    x = 4,037.59

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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.