Home / 5,438.18-8,159.70-2,514.92

Finding the Fourth Proportional to 5,438.18, 8,159.70 and 2,514.92

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Solution

The fourth proportional to 5,438.18, 8,159.70 and 2,514.92 is: 3,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.18 : 8,159.70 = 2,514.92 : x
  2. Step 2: Convert to fraction form
    5,438.18/8,159.70 = 2,514.92/x
  3. Step 3: Cross multiply
    5,438.18x = 8,159.70 × 2,514.92
  4. Step 4: Simplify right side
    5,438.18x = 20,520,992.72
  5. Step 5: Solve for x
    x = 20,520,992.72/5,438.18
  6. Step 6: Final answer
    x = 3,773.50

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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.