Home / 8,376.75-11,556.68-5,545.53

Finding the Fourth Proportional to 8,376.75, 11,556.68 and 5,545.53

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Solution

The fourth proportional to 8,376.75, 11,556.68 and 5,545.53 is: 7,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.75 : 11,556.68 = 5,545.53 : x
  2. Step 2: Convert to fraction form
    8,376.75/11,556.68 = 5,545.53/x
  3. Step 3: Cross multiply
    8,376.75x = 11,556.68 × 5,545.53
  4. Step 4: Simplify right side
    8,376.75x = 64,087,887.91
  5. Step 5: Solve for x
    x = 64,087,887.91/8,376.75
  6. Step 6: Final answer
    x = 7,650.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.