Home / 8,769.84-13,156.89-2,926.89

Finding the Fourth Proportional to 8,769.84, 13,156.89 and 2,926.89

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Solution

The fourth proportional to 8,769.84, 13,156.89 and 2,926.89 is: 4,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.84 : 13,156.89 = 2,926.89 : x
  2. Step 2: Convert to fraction form
    8,769.84/13,156.89 = 2,926.89/x
  3. Step 3: Cross multiply
    8,769.84x = 13,156.89 × 2,926.89
  4. Step 4: Simplify right side
    8,769.84x = 38,508,769.77
  5. Step 5: Solve for x
    x = 38,508,769.77/8,769.84
  6. Step 6: Final answer
    x = 4,391.05

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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.