Home / 7,387.09-11,080.78-2,456.77

Finding the Fourth Proportional to 7,387.09, 11,080.78 and 2,456.77

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Solution

The fourth proportional to 7,387.09, 11,080.78 and 2,456.77 is: 3,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.09 : 11,080.78 = 2,456.77 : x
  2. Step 2: Convert to fraction form
    7,387.09/11,080.78 = 2,456.77/x
  3. Step 3: Cross multiply
    7,387.09x = 11,080.78 × 2,456.77
  4. Step 4: Simplify right side
    7,387.09x = 27,222,927.88
  5. Step 5: Solve for x
    x = 27,222,927.88/7,387.09
  6. Step 6: Final answer
    x = 3,685.20

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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.