Home / 6,499.22-8,968.90-3,515.04

Finding the Fourth Proportional to 6,499.22, 8,968.90 and 3,515.04

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Solution

The fourth proportional to 6,499.22, 8,968.90 and 3,515.04 is: 4,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,499.22 : 8,968.90 = 3,515.04 : x
  2. Step 2: Convert to fraction form
    6,499.22/8,968.90 = 3,515.04/x
  3. Step 3: Cross multiply
    6,499.22x = 8,968.90 × 3,515.04
  4. Step 4: Simplify right side
    6,499.22x = 31,526,042.26
  5. Step 5: Solve for x
    x = 31,526,042.26/6,499.22
  6. Step 6: Final answer
    x = 4,850.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.