Home / 5,357.50-8,025.78-3,691.33

Finding the Fourth Proportional to 5,357.50, 8,025.78 and 3,691.33

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Solution

The fourth proportional to 5,357.50, 8,025.78 and 3,691.33 is: 5,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.50 : 8,025.78 = 3,691.33 : x
  2. Step 2: Convert to fraction form
    5,357.50/8,025.78 = 3,691.33/x
  3. Step 3: Cross multiply
    5,357.50x = 8,025.78 × 3,691.33
  4. Step 4: Simplify right side
    5,357.50x = 29,625,762.36
  5. Step 5: Solve for x
    x = 29,625,762.36/5,357.50
  6. Step 6: Final answer
    x = 5,529.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.