Home / 8,726.65-13,091.19-2,803.72

Finding the Fourth Proportional to 8,726.65, 13,091.19 and 2,803.72

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Solution

The fourth proportional to 8,726.65, 13,091.19 and 2,803.72 is: 4,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.65 : 13,091.19 = 2,803.72 : x
  2. Step 2: Convert to fraction form
    8,726.65/13,091.19 = 2,803.72/x
  3. Step 3: Cross multiply
    8,726.65x = 13,091.19 × 2,803.72
  4. Step 4: Simplify right side
    8,726.65x = 36,704,009.01
  5. Step 5: Solve for x
    x = 36,704,009.01/8,726.65
  6. Step 6: Final answer
    x = 4,205.97

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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.