Home / 8,719.12-13,079.58-2,793.93

Finding the Fourth Proportional to 8,719.12, 13,079.58 and 2,793.93

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Solution

The fourth proportional to 8,719.12, 13,079.58 and 2,793.93 is: 4,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.12 : 13,079.58 = 2,793.93 : x
  2. Step 2: Convert to fraction form
    8,719.12/13,079.58 = 2,793.93/x
  3. Step 3: Cross multiply
    8,719.12x = 13,079.58 × 2,793.93
  4. Step 4: Simplify right side
    8,719.12x = 36,543,430.95
  5. Step 5: Solve for x
    x = 36,543,430.95/8,719.12
  6. Step 6: Final answer
    x = 4,191.18

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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.