Home / 8,088.20-11,088.92-7,940.57

Finding the Fourth Proportional to 8,088.20, 11,088.92 and 7,940.57

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Solution

The fourth proportional to 8,088.20, 11,088.92 and 7,940.57 is: 10,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.20 : 11,088.92 = 7,940.57 : x
  2. Step 2: Convert to fraction form
    8,088.20/11,088.92 = 7,940.57/x
  3. Step 3: Cross multiply
    8,088.20x = 11,088.92 × 7,940.57
  4. Step 4: Simplify right side
    8,088.20x = 88,052,333.50
  5. Step 5: Solve for x
    x = 88,052,333.50/8,088.20
  6. Step 6: Final answer
    x = 10,886.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.