Home / 8,774.82-12,110.85-5,238.27

Finding the Fourth Proportional to 8,774.82, 12,110.85 and 5,238.27

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Solution

The fourth proportional to 8,774.82, 12,110.85 and 5,238.27 is: 7,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.82 : 12,110.85 = 5,238.27 : x
  2. Step 2: Convert to fraction form
    8,774.82/12,110.85 = 5,238.27/x
  3. Step 3: Cross multiply
    8,774.82x = 12,110.85 × 5,238.27
  4. Step 4: Simplify right side
    8,774.82x = 63,439,902.23
  5. Step 5: Solve for x
    x = 63,439,902.23/8,774.82
  6. Step 6: Final answer
    x = 7,229.77

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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.