Home / 8,368.25-12,544.91-3,177.77

Finding the Fourth Proportional to 8,368.25, 12,544.91 and 3,177.77

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Solution

The fourth proportional to 8,368.25, 12,544.91 and 3,177.77 is: 4,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.25 : 12,544.91 = 3,177.77 : x
  2. Step 2: Convert to fraction form
    8,368.25/12,544.91 = 3,177.77/x
  3. Step 3: Cross multiply
    8,368.25x = 12,544.91 × 3,177.77
  4. Step 4: Simplify right side
    8,368.25x = 39,864,775.93
  5. Step 5: Solve for x
    x = 39,864,775.93/8,368.25
  6. Step 6: Final answer
    x = 4,763.82

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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.