Home / 4,213.08-5,815.20-2,445.25

Finding the Fourth Proportional to 4,213.08, 5,815.20 and 2,445.25

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Solution

The fourth proportional to 4,213.08, 5,815.20 and 2,445.25 is: 3,375.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.08 : 5,815.20 = 2,445.25 : x
  2. Step 2: Convert to fraction form
    4,213.08/5,815.20 = 2,445.25/x
  3. Step 3: Cross multiply
    4,213.08x = 5,815.20 × 2,445.25
  4. Step 4: Simplify right side
    4,213.08x = 14,219,617.80
  5. Step 5: Solve for x
    x = 14,219,617.80/4,213.08
  6. Step 6: Final answer
    x = 3,375.12

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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.