Home / 8,726.04-13,080.96-3,178.08

Finding the Fourth Proportional to 8,726.04, 13,080.96 and 3,178.08

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Solution

The fourth proportional to 8,726.04, 13,080.96 and 3,178.08 is: 4,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.04 : 13,080.96 = 3,178.08 : x
  2. Step 2: Convert to fraction form
    8,726.04/13,080.96 = 3,178.08/x
  3. Step 3: Cross multiply
    8,726.04x = 13,080.96 × 3,178.08
  4. Step 4: Simplify right side
    8,726.04x = 41,572,337.36
  5. Step 5: Solve for x
    x = 41,572,337.36/8,726.04
  6. Step 6: Final answer
    x = 4,764.17

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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.