Home / 8,865.08-12,218.82-6,207.74

Finding the Fourth Proportional to 8,865.08, 12,218.82 and 6,207.74

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Solution

The fourth proportional to 8,865.08, 12,218.82 and 6,207.74 is: 8,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.08 : 12,218.82 = 6,207.74 : x
  2. Step 2: Convert to fraction form
    8,865.08/12,218.82 = 6,207.74/x
  3. Step 3: Cross multiply
    8,865.08x = 12,218.82 × 6,207.74
  4. Step 4: Simplify right side
    8,865.08x = 75,851,257.67
  5. Step 5: Solve for x
    x = 75,851,257.67/8,865.08
  6. Step 6: Final answer
    x = 8,556.18

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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.