Home / 5,288.75-7,295.10-3,399.70

Finding the Fourth Proportional to 5,288.75, 7,295.10 and 3,399.70

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Solution

The fourth proportional to 5,288.75, 7,295.10 and 3,399.70 is: 4,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.75 : 7,295.10 = 3,399.70 : x
  2. Step 2: Convert to fraction form
    5,288.75/7,295.10 = 3,399.70/x
  3. Step 3: Cross multiply
    5,288.75x = 7,295.10 × 3,399.70
  4. Step 4: Simplify right side
    5,288.75x = 24,801,151.47
  5. Step 5: Solve for x
    x = 24,801,151.47/5,288.75
  6. Step 6: Final answer
    x = 4,689.42

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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.