Home / 8,679.55-13,017.29-2,440.15

Finding the Fourth Proportional to 8,679.55, 13,017.29 and 2,440.15

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Solution

The fourth proportional to 8,679.55, 13,017.29 and 2,440.15 is: 3,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.55 : 13,017.29 = 2,440.15 : x
  2. Step 2: Convert to fraction form
    8,679.55/13,017.29 = 2,440.15/x
  3. Step 3: Cross multiply
    8,679.55x = 13,017.29 × 2,440.15
  4. Step 4: Simplify right side
    8,679.55x = 31,764,168.67
  5. Step 5: Solve for x
    x = 31,764,168.67/8,679.55
  6. Step 6: Final answer
    x = 3,659.66

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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.