Home / 4,213.62-5,815.33-2,445.32

Finding the Fourth Proportional to 4,213.62, 5,815.33 and 2,445.32

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Solution

The fourth proportional to 4,213.62, 5,815.33 and 2,445.32 is: 3,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.62 : 5,815.33 = 2,445.32 : x
  2. Step 2: Convert to fraction form
    4,213.62/5,815.33 = 2,445.32/x
  3. Step 3: Cross multiply
    4,213.62x = 5,815.33 × 2,445.32
  4. Step 4: Simplify right side
    4,213.62x = 14,220,351.18
  5. Step 5: Solve for x
    x = 14,220,351.18/4,213.62
  6. Step 6: Final answer
    x = 3,374.85

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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.