Home / 7,657.25-11,487.47-2,726.87

Finding the Fourth Proportional to 7,657.25, 11,487.47 and 2,726.87

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Solution

The fourth proportional to 7,657.25, 11,487.47 and 2,726.87 is: 4,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.25 : 11,487.47 = 2,726.87 : x
  2. Step 2: Convert to fraction form
    7,657.25/11,487.47 = 2,726.87/x
  3. Step 3: Cross multiply
    7,657.25x = 11,487.47 × 2,726.87
  4. Step 4: Simplify right side
    7,657.25x = 31,324,766.25
  5. Step 5: Solve for x
    x = 31,324,766.25/7,657.25
  6. Step 6: Final answer
    x = 4,090.87

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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.