Home / 8,666.84-11,960.23-4,890

Finding the Fourth Proportional to 8,666.84, 11,960.23 and 4,890

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Solution

The fourth proportional to 8,666.84, 11,960.23 and 4,890 is: 6,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.84 : 11,960.23 = 4,890 : x
  2. Step 2: Convert to fraction form
    8,666.84/11,960.23 = 4,890/x
  3. Step 3: Cross multiply
    8,666.84x = 11,960.23 × 4,890
  4. Step 4: Simplify right side
    8,666.84x = 58,485,524.70
  5. Step 5: Solve for x
    x = 58,485,524.70/8,666.84
  6. Step 6: Final answer
    x = 6,748.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.