Home / 8,772.36-13,118.49-6,552.72

Finding the Fourth Proportional to 8,772.36, 13,118.49 and 6,552.72

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Solution

The fourth proportional to 8,772.36, 13,118.49 and 6,552.72 is: 9,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.36 : 13,118.49 = 6,552.72 : x
  2. Step 2: Convert to fraction form
    8,772.36/13,118.49 = 6,552.72/x
  3. Step 3: Cross multiply
    8,772.36x = 13,118.49 × 6,552.72
  4. Step 4: Simplify right side
    8,772.36x = 85,961,791.79
  5. Step 5: Solve for x
    x = 85,961,791.79/8,772.36
  6. Step 6: Final answer
    x = 9,799.16

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1.5x scale

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.