Home / 8,545.62-12,818.37-5,169.07

Finding the Fourth Proportional to 8,545.62, 12,818.37 and 5,169.07

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Solution

The fourth proportional to 8,545.62, 12,818.37 and 5,169.07 is: 7,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.62 : 12,818.37 = 5,169.07 : x
  2. Step 2: Convert to fraction form
    8,545.62/12,818.37 = 5,169.07/x
  3. Step 3: Cross multiply
    8,545.62x = 12,818.37 × 5,169.07
  4. Step 4: Simplify right side
    8,545.62x = 66,259,051.82
  5. Step 5: Solve for x
    x = 66,259,051.82/8,545.62
  6. Step 6: Final answer
    x = 7,753.57

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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.