Home / 8,774.26-12,109.20-4,998.61

Finding the Fourth Proportional to 8,774.26, 12,109.20 and 4,998.61

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Solution

The fourth proportional to 8,774.26, 12,109.20 and 4,998.61 is: 6,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.26 : 12,109.20 = 4,998.61 : x
  2. Step 2: Convert to fraction form
    8,774.26/12,109.20 = 4,998.61/x
  3. Step 3: Cross multiply
    8,774.26x = 12,109.20 × 4,998.61
  4. Step 4: Simplify right side
    8,774.26x = 60,529,082.67
  5. Step 5: Solve for x
    x = 60,529,082.67/8,774.26
  6. Step 6: Final answer
    x = 6,898.48

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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.