Home / 9,119.20-13,679.34-2,545.24

Finding the Fourth Proportional to 9,119.20, 13,679.34 and 2,545.24

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Solution

The fourth proportional to 9,119.20, 13,679.34 and 2,545.24 is: 3,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.20 : 13,679.34 = 2,545.24 : x
  2. Step 2: Convert to fraction form
    9,119.20/13,679.34 = 2,545.24/x
  3. Step 3: Cross multiply
    9,119.20x = 13,679.34 × 2,545.24
  4. Step 4: Simplify right side
    9,119.20x = 34,817,203.34
  5. Step 5: Solve for x
    x = 34,817,203.34/9,119.20
  6. Step 6: Final answer
    x = 3,818.01

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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.