Home / 6,891.16-10,337.42-2,209.99

Finding the Fourth Proportional to 6,891.16, 10,337.42 and 2,209.99

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Solution

The fourth proportional to 6,891.16, 10,337.42 and 2,209.99 is: 3,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.16 : 10,337.42 = 2,209.99 : x
  2. Step 2: Convert to fraction form
    6,891.16/10,337.42 = 2,209.99/x
  3. Step 3: Cross multiply
    6,891.16x = 10,337.42 × 2,209.99
  4. Step 4: Simplify right side
    6,891.16x = 22,845,594.83
  5. Step 5: Solve for x
    x = 22,845,594.83/6,891.16
  6. Step 6: Final answer
    x = 3,315.20

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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.