Home / 8,482.26-12,720.96-5,196.90

Finding the Fourth Proportional to 8,482.26, 12,720.96 and 5,196.90

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Solution

The fourth proportional to 8,482.26, 12,720.96 and 5,196.90 is: 7,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.26 : 12,720.96 = 5,196.90 : x
  2. Step 2: Convert to fraction form
    8,482.26/12,720.96 = 5,196.90/x
  3. Step 3: Cross multiply
    8,482.26x = 12,720.96 × 5,196.90
  4. Step 4: Simplify right side
    8,482.26x = 66,109,557.02
  5. Step 5: Solve for x
    x = 66,109,557.02/8,482.26
  6. Step 6: Final answer
    x = 7,793.86

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1.5x scale

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.