Home / 5,311.29-7,329.35-3,542.66

Finding the Fourth Proportional to 5,311.29, 7,329.35 and 3,542.66

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Solution

The fourth proportional to 5,311.29, 7,329.35 and 3,542.66 is: 4,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.29 : 7,329.35 = 3,542.66 : x
  2. Step 2: Convert to fraction form
    5,311.29/7,329.35 = 3,542.66/x
  3. Step 3: Cross multiply
    5,311.29x = 7,329.35 × 3,542.66
  4. Step 4: Simplify right side
    5,311.29x = 25,965,395.07
  5. Step 5: Solve for x
    x = 25,965,395.07/5,311.29
  6. Step 6: Final answer
    x = 4,888.72

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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.