Home / 8,057.05-11,127.15-5,545.63

Finding the Fourth Proportional to 8,057.05, 11,127.15 and 5,545.63

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Solution

The fourth proportional to 8,057.05, 11,127.15 and 5,545.63 is: 7,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.05 : 11,127.15 = 5,545.63 : x
  2. Step 2: Convert to fraction form
    8,057.05/11,127.15 = 5,545.63/x
  3. Step 3: Cross multiply
    8,057.05x = 11,127.15 × 5,545.63
  4. Step 4: Simplify right side
    8,057.05x = 61,707,056.85
  5. Step 5: Solve for x
    x = 61,707,056.85/8,057.05
  6. Step 6: Final answer
    x = 7,658.77

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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.