Home / 5,521.29-7,617.21-3,162.17

Finding the Fourth Proportional to 5,521.29, 7,617.21 and 3,162.17

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Solution

The fourth proportional to 5,521.29, 7,617.21 and 3,162.17 is: 4,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.29 : 7,617.21 = 3,162.17 : x
  2. Step 2: Convert to fraction form
    5,521.29/7,617.21 = 3,162.17/x
  3. Step 3: Cross multiply
    5,521.29x = 7,617.21 × 3,162.17
  4. Step 4: Simplify right side
    5,521.29x = 24,086,874.86
  5. Step 5: Solve for x
    x = 24,086,874.86/5,521.29
  6. Step 6: Final answer
    x = 4,362.54

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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.