Home / 5,498.62-7,588.47-3,107.78

Finding the Fourth Proportional to 5,498.62, 7,588.47 and 3,107.78

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Solution

The fourth proportional to 5,498.62, 7,588.47 and 3,107.78 is: 4,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.62 : 7,588.47 = 3,107.78 : x
  2. Step 2: Convert to fraction form
    5,498.62/7,588.47 = 3,107.78/x
  3. Step 3: Cross multiply
    5,498.62x = 7,588.47 × 3,107.78
  4. Step 4: Simplify right side
    5,498.62x = 23,583,295.30
  5. Step 5: Solve for x
    x = 23,583,295.30/5,498.62
  6. Step 6: Final answer
    x = 4,288.95

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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.