Home / 8,338.82-11,510.49-5,154.55

Finding the Fourth Proportional to 8,338.82, 11,510.49 and 5,154.55

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Solution

The fourth proportional to 8,338.82, 11,510.49 and 5,154.55 is: 7,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.82 : 11,510.49 = 5,154.55 : x
  2. Step 2: Convert to fraction form
    8,338.82/11,510.49 = 5,154.55/x
  3. Step 3: Cross multiply
    8,338.82x = 11,510.49 × 5,154.55
  4. Step 4: Simplify right side
    8,338.82x = 59,331,410.62
  5. Step 5: Solve for x
    x = 59,331,410.62/8,338.82
  6. Step 6: Final answer
    x = 7,115.09

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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.