Home / 6,988.05-10,481.27-2,605.65

Finding the Fourth Proportional to 6,988.05, 10,481.27 and 2,605.65

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Solution

The fourth proportional to 6,988.05, 10,481.27 and 2,605.65 is: 3,908.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.05 : 10,481.27 = 2,605.65 : x
  2. Step 2: Convert to fraction form
    6,988.05/10,481.27 = 2,605.65/x
  3. Step 3: Cross multiply
    6,988.05x = 10,481.27 × 2,605.65
  4. Step 4: Simplify right side
    6,988.05x = 27,310,521.18
  5. Step 5: Solve for x
    x = 27,310,521.18/6,988.05
  6. Step 6: Final answer
    x = 3,908.17

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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.