Home / 4,213.12-5,815.38-2,445.16

Finding the Fourth Proportional to 4,213.12, 5,815.38 and 2,445.16

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Solution

The fourth proportional to 4,213.12, 5,815.38 and 2,445.16 is: 3,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.12 : 5,815.38 = 2,445.16 : x
  2. Step 2: Convert to fraction form
    4,213.12/5,815.38 = 2,445.16/x
  3. Step 3: Cross multiply
    4,213.12x = 5,815.38 × 2,445.16
  4. Step 4: Simplify right side
    4,213.12x = 14,219,534.56
  5. Step 5: Solve for x
    x = 14,219,534.56/4,213.12
  6. Step 6: Final answer
    x = 3,375.06

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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.