Home / 6,620.04-9,921.15-2,722.32

Finding the Fourth Proportional to 6,620.04, 9,921.15 and 2,722.32

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Solution

The fourth proportional to 6,620.04, 9,921.15 and 2,722.32 is: 4,079.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.04 : 9,921.15 = 2,722.32 : x
  2. Step 2: Convert to fraction form
    6,620.04/9,921.15 = 2,722.32/x
  3. Step 3: Cross multiply
    6,620.04x = 9,921.15 × 2,722.32
  4. Step 4: Simplify right side
    6,620.04x = 27,008,545.07
  5. Step 5: Solve for x
    x = 27,008,545.07/6,620.04
  6. Step 6: Final answer
    x = 4,079.82

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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.