Home / 7,230.01-9,974.46-4,872.91

Finding the Fourth Proportional to 7,230.01, 9,974.46 and 4,872.91

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Solution

The fourth proportional to 7,230.01, 9,974.46 and 4,872.91 is: 6,722.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.01 : 9,974.46 = 4,872.91 : x
  2. Step 2: Convert to fraction form
    7,230.01/9,974.46 = 4,872.91/x
  3. Step 3: Cross multiply
    7,230.01x = 9,974.46 × 4,872.91
  4. Step 4: Simplify right side
    7,230.01x = 48,604,645.88
  5. Step 5: Solve for x
    x = 48,604,645.88/7,230.01
  6. Step 6: Final answer
    x = 6,722.62

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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.