Home / 8,680.67-13,020.60-3,482.90

Finding the Fourth Proportional to 8,680.67, 13,020.60 and 3,482.90

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Solution

The fourth proportional to 8,680.67, 13,020.60 and 3,482.90 is: 5,224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.67 : 13,020.60 = 3,482.90 : x
  2. Step 2: Convert to fraction form
    8,680.67/13,020.60 = 3,482.90/x
  3. Step 3: Cross multiply
    8,680.67x = 13,020.60 × 3,482.90
  4. Step 4: Simplify right side
    8,680.67x = 45,349,447.74
  5. Step 5: Solve for x
    x = 45,349,447.74/8,680.67
  6. Step 6: Final answer
    x = 5,224.19

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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.