Home / 5,320.30-7,981.16-2,822.77

Finding the Fourth Proportional to 5,320.30, 7,981.16 and 2,822.77

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Solution

The fourth proportional to 5,320.30, 7,981.16 and 2,822.77 is: 4,234.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.30 : 7,981.16 = 2,822.77 : x
  2. Step 2: Convert to fraction form
    5,320.30/7,981.16 = 2,822.77/x
  3. Step 3: Cross multiply
    5,320.30x = 7,981.16 × 2,822.77
  4. Step 4: Simplify right side
    5,320.30x = 22,528,965.92
  5. Step 5: Solve for x
    x = 22,528,965.92/5,320.30
  6. Step 6: Final answer
    x = 4,234.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.