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Finding the Fourth Proportional to 7,610.88, 10,496.20 and 6,338.99

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Solution

The fourth proportional to 7,610.88, 10,496.20 and 6,338.99 is: 8,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.88 : 10,496.20 = 6,338.99 : x
  2. Step 2: Convert to fraction form
    7,610.88/10,496.20 = 6,338.99/x
  3. Step 3: Cross multiply
    7,610.88x = 10,496.20 × 6,338.99
  4. Step 4: Simplify right side
    7,610.88x = 66,535,247.33
  5. Step 5: Solve for x
    x = 66,535,247.33/7,610.88
  6. Step 6: Final answer
    x = 8,742.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.