Home / 6,870.80-10,306.92-2,252.72

Finding the Fourth Proportional to 6,870.80, 10,306.92 and 2,252.72

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Solution

The fourth proportional to 6,870.80, 10,306.92 and 2,252.72 is: 3,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.80 : 10,306.92 = 2,252.72 : x
  2. Step 2: Convert to fraction form
    6,870.80/10,306.92 = 2,252.72/x
  3. Step 3: Cross multiply
    6,870.80x = 10,306.92 × 2,252.72
  4. Step 4: Simplify right side
    6,870.80x = 23,218,604.82
  5. Step 5: Solve for x
    x = 23,218,604.82/6,870.80
  6. Step 6: Final answer
    x = 3,379.32

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1.5x scale

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.