Home / 8,514.18-12,778.56-4,820.04

Finding the Fourth Proportional to 8,514.18, 12,778.56 and 4,820.04

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Solution

The fourth proportional to 8,514.18, 12,778.56 and 4,820.04 is: 7,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.18 : 12,778.56 = 4,820.04 : x
  2. Step 2: Convert to fraction form
    8,514.18/12,778.56 = 4,820.04/x
  3. Step 3: Cross multiply
    8,514.18x = 12,778.56 × 4,820.04
  4. Step 4: Simplify right side
    8,514.18x = 61,593,170.34
  5. Step 5: Solve for x
    x = 61,593,170.34/8,514.18
  6. Step 6: Final answer
    x = 7,234.19

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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.