Home / 8,666.19-12,999.29-2,823.26

Finding the Fourth Proportional to 8,666.19, 12,999.29 and 2,823.26

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Solution

The fourth proportional to 8,666.19, 12,999.29 and 2,823.26 is: 4,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.19 : 12,999.29 = 2,823.26 : x
  2. Step 2: Convert to fraction form
    8,666.19/12,999.29 = 2,823.26/x
  3. Step 3: Cross multiply
    8,666.19x = 12,999.29 × 2,823.26
  4. Step 4: Simplify right side
    8,666.19x = 36,700,296.37
  5. Step 5: Solve for x
    x = 36,700,296.37/8,666.19
  6. Step 6: Final answer
    x = 4,234.88

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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.