Home / 4,147.56-5,723.28-2,445.79

Finding the Fourth Proportional to 4,147.56, 5,723.28 and 2,445.79

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Solution

The fourth proportional to 4,147.56, 5,723.28 and 2,445.79 is: 3,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.56 : 5,723.28 = 2,445.79 : x
  2. Step 2: Convert to fraction form
    4,147.56/5,723.28 = 2,445.79/x
  3. Step 3: Cross multiply
    4,147.56x = 5,723.28 × 2,445.79
  4. Step 4: Simplify right side
    4,147.56x = 13,997,940.99
  5. Step 5: Solve for x
    x = 13,997,940.99/4,147.56
  6. Step 6: Final answer
    x = 3,374.98

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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.