Home / 8,666.13-13,002.21-2,822.70

Finding the Fourth Proportional to 8,666.13, 13,002.21 and 2,822.70

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Solution

The fourth proportional to 8,666.13, 13,002.21 and 2,822.70 is: 4,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.13 : 13,002.21 = 2,822.70 : x
  2. Step 2: Convert to fraction form
    8,666.13/13,002.21 = 2,822.70/x
  3. Step 3: Cross multiply
    8,666.13x = 13,002.21 × 2,822.70
  4. Step 4: Simplify right side
    8,666.13x = 36,701,338.17
  5. Step 5: Solve for x
    x = 36,701,338.17/8,666.13
  6. Step 6: Final answer
    x = 4,235.03

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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.