Home / 4,114.16-5,679.96-2,720.24

Finding the Fourth Proportional to 4,114.16, 5,679.96 and 2,720.24

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Solution

The fourth proportional to 4,114.16, 5,679.96 and 2,720.24 is: 3,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.16 : 5,679.96 = 2,720.24 : x
  2. Step 2: Convert to fraction form
    4,114.16/5,679.96 = 2,720.24/x
  3. Step 3: Cross multiply
    4,114.16x = 5,679.96 × 2,720.24
  4. Step 4: Simplify right side
    4,114.16x = 15,450,854.39
  5. Step 5: Solve for x
    x = 15,450,854.39/4,114.16
  6. Step 6: Final answer
    x = 3,755.53

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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.