Home / 9,578.25-13,209.48-6,217.90

Finding the Fourth Proportional to 9,578.25, 13,209.48 and 6,217.90

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Solution

The fourth proportional to 9,578.25, 13,209.48 and 6,217.90 is: 8,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.25 : 13,209.48 = 6,217.90 : x
  2. Step 2: Convert to fraction form
    9,578.25/13,209.48 = 6,217.90/x
  3. Step 3: Cross multiply
    9,578.25x = 13,209.48 × 6,217.90
  4. Step 4: Simplify right side
    9,578.25x = 82,135,192.67
  5. Step 5: Solve for x
    x = 82,135,192.67/9,578.25
  6. Step 6: Final answer
    x = 8,575.18

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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.