Home / 7,109.49-10,665.75-2,726.91

Finding the Fourth Proportional to 7,109.49, 10,665.75 and 2,726.91

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Solution

The fourth proportional to 7,109.49, 10,665.75 and 2,726.91 is: 4,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.49 : 10,665.75 = 2,726.91 : x
  2. Step 2: Convert to fraction form
    7,109.49/10,665.75 = 2,726.91/x
  3. Step 3: Cross multiply
    7,109.49x = 10,665.75 × 2,726.91
  4. Step 4: Simplify right side
    7,109.49x = 29,084,540.33
  5. Step 5: Solve for x
    x = 29,084,540.33/7,109.49
  6. Step 6: Final answer
    x = 4,090.95

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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.