Home / 6,887.64-10,331.52-2,207.72

Finding the Fourth Proportional to 6,887.64, 10,331.52 and 2,207.72

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Solution

The fourth proportional to 6,887.64, 10,331.52 and 2,207.72 is: 3,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.64 : 10,331.52 = 2,207.72 : x
  2. Step 2: Convert to fraction form
    6,887.64/10,331.52 = 2,207.72/x
  3. Step 3: Cross multiply
    6,887.64x = 10,331.52 × 2,207.72
  4. Step 4: Simplify right side
    6,887.64x = 22,809,103.33
  5. Step 5: Solve for x
    x = 22,809,103.33/6,887.64
  6. Step 6: Final answer
    x = 3,311.60

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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.