Home / 5,322.66-7,983.98-2,981.55

Finding the Fourth Proportional to 5,322.66, 7,983.98 and 2,981.55

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Solution

The fourth proportional to 5,322.66, 7,983.98 and 2,981.55 is: 4,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.66 : 7,983.98 = 2,981.55 : x
  2. Step 2: Convert to fraction form
    5,322.66/7,983.98 = 2,981.55/x
  3. Step 3: Cross multiply
    5,322.66x = 7,983.98 × 2,981.55
  4. Step 4: Simplify right side
    5,322.66x = 23,804,635.57
  5. Step 5: Solve for x
    x = 23,804,635.57/5,322.66
  6. Step 6: Final answer
    x = 4,472.32

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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.