Home / 5,143.26-7,098.40-3,153.46

Finding the Fourth Proportional to 5,143.26, 7,098.40 and 3,153.46

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Solution

The fourth proportional to 5,143.26, 7,098.40 and 3,153.46 is: 4,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.26 : 7,098.40 = 3,153.46 : x
  2. Step 2: Convert to fraction form
    5,143.26/7,098.40 = 3,153.46/x
  3. Step 3: Cross multiply
    5,143.26x = 7,098.40 × 3,153.46
  4. Step 4: Simplify right side
    5,143.26x = 22,384,520.46
  5. Step 5: Solve for x
    x = 22,384,520.46/5,143.26
  6. Step 6: Final answer
    x = 4,352.20

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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.