Home / 5,267.80-7,270.52-3,143.48

Finding the Fourth Proportional to 5,267.80, 7,270.52 and 3,143.48

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Solution

The fourth proportional to 5,267.80, 7,270.52 and 3,143.48 is: 4,338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.80 : 7,270.52 = 3,143.48 : x
  2. Step 2: Convert to fraction form
    5,267.80/7,270.52 = 3,143.48/x
  3. Step 3: Cross multiply
    5,267.80x = 7,270.52 × 3,143.48
  4. Step 4: Simplify right side
    5,267.80x = 22,854,734.21
  5. Step 5: Solve for x
    x = 22,854,734.21/5,267.80
  6. Step 6: Final answer
    x = 4,338.57

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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.