Home / 5,144.31-7,099.28-3,153.72

Finding the Fourth Proportional to 5,144.31, 7,099.28 and 3,153.72

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Solution

The fourth proportional to 5,144.31, 7,099.28 and 3,153.72 is: 4,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.31 : 7,099.28 = 3,153.72 : x
  2. Step 2: Convert to fraction form
    5,144.31/7,099.28 = 3,153.72/x
  3. Step 3: Cross multiply
    5,144.31x = 7,099.28 × 3,153.72
  4. Step 4: Simplify right side
    5,144.31x = 22,389,090.06
  5. Step 5: Solve for x
    x = 22,389,090.06/5,144.31
  6. Step 6: Final answer
    x = 4,352.21

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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.