Home / 7,627.54-11,427.85-6,679.91

Finding the Fourth Proportional to 7,627.54, 11,427.85 and 6,679.91

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Solution

The fourth proportional to 7,627.54, 11,427.85 and 6,679.91 is: 10,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.54 : 11,427.85 = 6,679.91 : x
  2. Step 2: Convert to fraction form
    7,627.54/11,427.85 = 6,679.91/x
  3. Step 3: Cross multiply
    7,627.54x = 11,427.85 × 6,679.91
  4. Step 4: Simplify right side
    7,627.54x = 76,337,003.56
  5. Step 5: Solve for x
    x = 76,337,003.56/7,627.54
  6. Step 6: Final answer
    x = 10,008.08

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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.