Home / 7,073.24-9,761.02-3,886.57

Finding the Fourth Proportional to 7,073.24, 9,761.02 and 3,886.57

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Solution

The fourth proportional to 7,073.24, 9,761.02 and 3,886.57 is: 5,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.24 : 9,761.02 = 3,886.57 : x
  2. Step 2: Convert to fraction form
    7,073.24/9,761.02 = 3,886.57/x
  3. Step 3: Cross multiply
    7,073.24x = 9,761.02 × 3,886.57
  4. Step 4: Simplify right side
    7,073.24x = 37,936,863.10
  5. Step 5: Solve for x
    x = 37,936,863.10/7,073.24
  6. Step 6: Final answer
    x = 5,363.44

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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.