Home / 8,445.67-12,669.89-3,515.65

Finding the Fourth Proportional to 8,445.67, 12,669.89 and 3,515.65

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Solution

The fourth proportional to 8,445.67, 12,669.89 and 3,515.65 is: 5,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.67 : 12,669.89 = 3,515.65 : x
  2. Step 2: Convert to fraction form
    8,445.67/12,669.89 = 3,515.65/x
  3. Step 3: Cross multiply
    8,445.67x = 12,669.89 × 3,515.65
  4. Step 4: Simplify right side
    8,445.67x = 44,542,950.46
  5. Step 5: Solve for x
    x = 44,542,950.46/8,445.67
  6. Step 6: Final answer
    x = 5,274.06

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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.