Home / 8,728.06-13,091.10-2,488.60

Finding the Fourth Proportional to 8,728.06, 13,091.10 and 2,488.60

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Solution

The fourth proportional to 8,728.06, 13,091.10 and 2,488.60 is: 3,732.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.06 : 13,091.10 = 2,488.60 : x
  2. Step 2: Convert to fraction form
    8,728.06/13,091.10 = 2,488.60/x
  3. Step 3: Cross multiply
    8,728.06x = 13,091.10 × 2,488.60
  4. Step 4: Simplify right side
    8,728.06x = 32,578,511.46
  5. Step 5: Solve for x
    x = 32,578,511.46/8,728.06
  6. Step 6: Final answer
    x = 3,732.62

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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.