Home / 7,726.46-11,589.69-1,883.06

Finding the Fourth Proportional to 7,726.46, 11,589.69 and 1,883.06

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Solution

The fourth proportional to 7,726.46, 11,589.69 and 1,883.06 is: 2,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.46 : 11,589.69 = 1,883.06 : x
  2. Step 2: Convert to fraction form
    7,726.46/11,589.69 = 1,883.06/x
  3. Step 3: Cross multiply
    7,726.46x = 11,589.69 × 1,883.06
  4. Step 4: Simplify right side
    7,726.46x = 21,824,081.65
  5. Step 5: Solve for x
    x = 21,824,081.65/7,726.46
  6. Step 6: Final answer
    x = 2,824.59

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Double scale
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Similar ratio
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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.