Home / 4,170.72-5,742.48-3,539.93

Finding the Fourth Proportional to 4,170.72, 5,742.48 and 3,539.93

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Solution

The fourth proportional to 4,170.72, 5,742.48 and 3,539.93 is: 4,873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.72 : 5,742.48 = 3,539.93 : x
  2. Step 2: Convert to fraction form
    4,170.72/5,742.48 = 3,539.93/x
  3. Step 3: Cross multiply
    4,170.72x = 5,742.48 × 3,539.93
  4. Step 4: Simplify right side
    4,170.72x = 20,327,959.53
  5. Step 5: Solve for x
    x = 20,327,959.53/4,170.72
  6. Step 6: Final answer
    x = 4,873.97

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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.