Home / 9,119.93-13,679.36-2,545.87

Finding the Fourth Proportional to 9,119.93, 13,679.36 and 2,545.87

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Solution

The fourth proportional to 9,119.93, 13,679.36 and 2,545.87 is: 3,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.93 : 13,679.36 = 2,545.87 : x
  2. Step 2: Convert to fraction form
    9,119.93/13,679.36 = 2,545.87/x
  3. Step 3: Cross multiply
    9,119.93x = 13,679.36 × 2,545.87
  4. Step 4: Simplify right side
    9,119.93x = 34,825,872.24
  5. Step 5: Solve for x
    x = 34,825,872.24/9,119.93
  6. Step 6: Final answer
    x = 3,818.66

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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.