Home / 8,169.48-12,238.80-4,827.75

Finding the Fourth Proportional to 8,169.48, 12,238.80 and 4,827.75

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Solution

The fourth proportional to 8,169.48, 12,238.80 and 4,827.75 is: 7,232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.48 : 12,238.80 = 4,827.75 : x
  2. Step 2: Convert to fraction form
    8,169.48/12,238.80 = 4,827.75/x
  3. Step 3: Cross multiply
    8,169.48x = 12,238.80 × 4,827.75
  4. Step 4: Simplify right side
    8,169.48x = 59,085,866.70
  5. Step 5: Solve for x
    x = 59,085,866.70/8,169.48
  6. Step 6: Final answer
    x = 7,232.51

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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.