Home / 5,514.92-7,608-3,155.72

Finding the Fourth Proportional to 5,514.92, 7,608 and 3,155.72

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Solution

The fourth proportional to 5,514.92, 7,608 and 3,155.72 is: 4,353.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.92 : 7,608 = 3,155.72 : x
  2. Step 2: Convert to fraction form
    5,514.92/7,608 = 3,155.72/x
  3. Step 3: Cross multiply
    5,514.92x = 7,608 × 3,155.72
  4. Step 4: Simplify right side
    5,514.92x = 24,008,717.76
  5. Step 5: Solve for x
    x = 24,008,717.76/5,514.92
  6. Step 6: Final answer
    x = 4,353.41

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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.