Home / 9,119.55-13,679.34-2,545.91

Finding the Fourth Proportional to 9,119.55, 13,679.34 and 2,545.91

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Solution

The fourth proportional to 9,119.55, 13,679.34 and 2,545.91 is: 3,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.55 : 13,679.34 = 2,545.91 : x
  2. Step 2: Convert to fraction form
    9,119.55/13,679.34 = 2,545.91/x
  3. Step 3: Cross multiply
    9,119.55x = 13,679.34 × 2,545.91
  4. Step 4: Simplify right side
    9,119.55x = 34,826,368.50
  5. Step 5: Solve for x
    x = 34,826,368.50/9,119.55
  6. Step 6: Final answer
    x = 3,818.87

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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.