Home / 7,656.84-11,487.06-2,726.88

Finding the Fourth Proportional to 7,656.84, 11,487.06 and 2,726.88

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Solution

The fourth proportional to 7,656.84, 11,487.06 and 2,726.88 is: 4,090.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.84 : 11,487.06 = 2,726.88 : x
  2. Step 2: Convert to fraction form
    7,656.84/11,487.06 = 2,726.88/x
  3. Step 3: Cross multiply
    7,656.84x = 11,487.06 × 2,726.88
  4. Step 4: Simplify right side
    7,656.84x = 31,323,834.17
  5. Step 5: Solve for x
    x = 31,323,834.17/7,656.84
  6. Step 6: Final answer
    x = 4,090.96

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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.