Home / 9,119.50-13,679.39-2,545.72

Finding the Fourth Proportional to 9,119.50, 13,679.39 and 2,545.72

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Solution

The fourth proportional to 9,119.50, 13,679.39 and 2,545.72 is: 3,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.50 : 13,679.39 = 2,545.72 : x
  2. Step 2: Convert to fraction form
    9,119.50/13,679.39 = 2,545.72/x
  3. Step 3: Cross multiply
    9,119.50x = 13,679.39 × 2,545.72
  4. Step 4: Simplify right side
    9,119.50x = 34,823,883.98
  5. Step 5: Solve for x
    x = 34,823,883.98/9,119.50
  6. Step 6: Final answer
    x = 3,818.62

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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.