Home / 7,422.73-10,243.52-4,065.68

Finding the Fourth Proportional to 7,422.73, 10,243.52 and 4,065.68

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Solution

The fourth proportional to 7,422.73, 10,243.52 and 4,065.68 is: 5,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.73 : 10,243.52 = 4,065.68 : x
  2. Step 2: Convert to fraction form
    7,422.73/10,243.52 = 4,065.68/x
  3. Step 3: Cross multiply
    7,422.73x = 10,243.52 × 4,065.68
  4. Step 4: Simplify right side
    7,422.73x = 41,646,854.07
  5. Step 5: Solve for x
    x = 41,646,854.07/7,422.73
  6. Step 6: Final answer
    x = 5,610.72

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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.