Home / 7,708.47-11,561.77-2,162.26

Finding the Fourth Proportional to 7,708.47, 11,561.77 and 2,162.26

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Solution

The fourth proportional to 7,708.47, 11,561.77 and 2,162.26 is: 3,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.47 : 11,561.77 = 2,162.26 : x
  2. Step 2: Convert to fraction form
    7,708.47/11,561.77 = 2,162.26/x
  3. Step 3: Cross multiply
    7,708.47x = 11,561.77 × 2,162.26
  4. Step 4: Simplify right side
    7,708.47x = 24,999,552.80
  5. Step 5: Solve for x
    x = 24,999,552.80/7,708.47
  6. Step 6: Final answer
    x = 3,243.13

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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.