Home / 5,351.72-7,382.28-3,225.80

Finding the Fourth Proportional to 5,351.72, 7,382.28 and 3,225.80

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Solution

The fourth proportional to 5,351.72, 7,382.28 and 3,225.80 is: 4,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.72 : 7,382.28 = 3,225.80 : x
  2. Step 2: Convert to fraction form
    5,351.72/7,382.28 = 3,225.80/x
  3. Step 3: Cross multiply
    5,351.72x = 7,382.28 × 3,225.80
  4. Step 4: Simplify right side
    5,351.72x = 23,813,758.82
  5. Step 5: Solve for x
    x = 23,813,758.82/5,351.72
  6. Step 6: Final answer
    x = 4,449.74

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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.