Home / 7,150.10-10,726.97-3,858.66

Finding the Fourth Proportional to 7,150.10, 10,726.97 and 3,858.66

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Solution

The fourth proportional to 7,150.10, 10,726.97 and 3,858.66 is: 5,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.10 : 10,726.97 = 3,858.66 : x
  2. Step 2: Convert to fraction form
    7,150.10/10,726.97 = 3,858.66/x
  3. Step 3: Cross multiply
    7,150.10x = 10,726.97 × 3,858.66
  4. Step 4: Simplify right side
    7,150.10x = 41,391,710.77
  5. Step 5: Solve for x
    x = 41,391,710.77/7,150.10
  6. Step 6: Final answer
    x = 5,788.97

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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.