Home / 6,887.90-10,331.66-2,207.72

Finding the Fourth Proportional to 6,887.90, 10,331.66 and 2,207.72

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Solution

The fourth proportional to 6,887.90, 10,331.66 and 2,207.72 is: 3,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.90 : 10,331.66 = 2,207.72 : x
  2. Step 2: Convert to fraction form
    6,887.90/10,331.66 = 2,207.72/x
  3. Step 3: Cross multiply
    6,887.90x = 10,331.66 × 2,207.72
  4. Step 4: Simplify right side
    6,887.90x = 22,809,443.76
  5. Step 5: Solve for x
    x = 22,809,443.76/6,887.90
  6. Step 6: Final answer
    x = 3,311.52

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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.