Home / 7,726.08-11,589-1,882.68

Finding the Fourth Proportional to 7,726.08, 11,589 and 1,882.68

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Solution

The fourth proportional to 7,726.08, 11,589 and 1,882.68 is: 2,823.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.08 : 11,589 = 1,882.68 : x
  2. Step 2: Convert to fraction form
    7,726.08/11,589 = 1,882.68/x
  3. Step 3: Cross multiply
    7,726.08x = 11,589 × 1,882.68
  4. Step 4: Simplify right side
    7,726.08x = 21,818,378.52
  5. Step 5: Solve for x
    x = 21,818,378.52/7,726.08
  6. Step 6: Final answer
    x = 2,823.99

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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.