Home / 7,010.66-10,517.82-2,628.20

Finding the Fourth Proportional to 7,010.66, 10,517.82 and 2,628.20

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Solution

The fourth proportional to 7,010.66, 10,517.82 and 2,628.20 is: 3,942.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.66 : 10,517.82 = 2,628.20 : x
  2. Step 2: Convert to fraction form
    7,010.66/10,517.82 = 2,628.20/x
  3. Step 3: Cross multiply
    7,010.66x = 10,517.82 × 2,628.20
  4. Step 4: Simplify right side
    7,010.66x = 27,642,934.52
  5. Step 5: Solve for x
    x = 27,642,934.52/7,010.66
  6. Step 6: Final answer
    x = 3,942.99

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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.