Home / 7,387.78-10,194.92-4,030.66

Finding the Fourth Proportional to 7,387.78, 10,194.92 and 4,030.66

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Solution

The fourth proportional to 7,387.78, 10,194.92 and 4,030.66 is: 5,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.78 : 10,194.92 = 4,030.66 : x
  2. Step 2: Convert to fraction form
    7,387.78/10,194.92 = 4,030.66/x
  3. Step 3: Cross multiply
    7,387.78x = 10,194.92 × 4,030.66
  4. Step 4: Simplify right side
    7,387.78x = 41,092,236.09
  5. Step 5: Solve for x
    x = 41,092,236.09/7,387.78
  6. Step 6: Final answer
    x = 5,562.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.