Home / 7,657.80-11,479.59-2,726.52

Finding the Fourth Proportional to 7,657.80, 11,479.59 and 2,726.52

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Solution

The fourth proportional to 7,657.80, 11,479.59 and 2,726.52 is: 4,087.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.80 : 11,479.59 = 2,726.52 : x
  2. Step 2: Convert to fraction form
    7,657.80/11,479.59 = 2,726.52/x
  3. Step 3: Cross multiply
    7,657.80x = 11,479.59 × 2,726.52
  4. Step 4: Simplify right side
    7,657.80x = 31,299,331.73
  5. Step 5: Solve for x
    x = 31,299,331.73/7,657.80
  6. Step 6: Final answer
    x = 4,087.25

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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.