Home / 8,774.45-12,104.85-5,235.62

Finding the Fourth Proportional to 8,774.45, 12,104.85 and 5,235.62

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Solution

The fourth proportional to 8,774.45, 12,104.85 and 5,235.62 is: 7,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.45 : 12,104.85 = 5,235.62 : x
  2. Step 2: Convert to fraction form
    8,774.45/12,104.85 = 5,235.62/x
  3. Step 3: Cross multiply
    8,774.45x = 12,104.85 × 5,235.62
  4. Step 4: Simplify right side
    8,774.45x = 63,376,353.87
  5. Step 5: Solve for x
    x = 63,376,353.87/8,774.45
  6. Step 6: Final answer
    x = 7,222.83

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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.