Home / 7,023.15-9,691.25-3,879.14

Finding the Fourth Proportional to 7,023.15, 9,691.25 and 3,879.14

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Solution

The fourth proportional to 7,023.15, 9,691.25 and 3,879.14 is: 5,352.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.15 : 9,691.25 = 3,879.14 : x
  2. Step 2: Convert to fraction form
    7,023.15/9,691.25 = 3,879.14/x
  3. Step 3: Cross multiply
    7,023.15x = 9,691.25 × 3,879.14
  4. Step 4: Simplify right side
    7,023.15x = 37,593,647.67
  5. Step 5: Solve for x
    x = 37,593,647.67/7,023.15
  6. Step 6: Final answer
    x = 5,352.82

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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.