Home / 4,815.20-7,224.16-1,352.48

Finding the Fourth Proportional to 4,815.20, 7,224.16 and 1,352.48

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Solution

The fourth proportional to 4,815.20, 7,224.16 and 1,352.48 is: 2,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.20 : 7,224.16 = 1,352.48 : x
  2. Step 2: Convert to fraction form
    4,815.20/7,224.16 = 1,352.48/x
  3. Step 3: Cross multiply
    4,815.20x = 7,224.16 × 1,352.48
  4. Step 4: Simplify right side
    4,815.20x = 9,770,531.92
  5. Step 5: Solve for x
    x = 9,770,531.92/4,815.20
  6. Step 6: Final answer
    x = 2,029.10

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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.