Home / 5,025.20-7,531.60-3,643.28

Finding the Fourth Proportional to 5,025.20, 7,531.60 and 3,643.28

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Solution

The fourth proportional to 5,025.20, 7,531.60 and 3,643.28 is: 5,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.20 : 7,531.60 = 3,643.28 : x
  2. Step 2: Convert to fraction form
    5,025.20/7,531.60 = 3,643.28/x
  3. Step 3: Cross multiply
    5,025.20x = 7,531.60 × 3,643.28
  4. Step 4: Simplify right side
    5,025.20x = 27,439,727.65
  5. Step 5: Solve for x
    x = 27,439,727.65/5,025.20
  6. Step 6: Final answer
    x = 5,460.42

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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.