Home / 10,451.22-15,679.33-3,877.46

Finding the Fourth Proportional to 10,451.22, 15,679.33 and 3,877.46

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Solution

The fourth proportional to 10,451.22, 15,679.33 and 3,877.46 is: 5,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.22 : 15,679.33 = 3,877.46 : x
  2. Step 2: Convert to fraction form
    10,451.22/15,679.33 = 3,877.46/x
  3. Step 3: Cross multiply
    10,451.22x = 15,679.33 × 3,877.46
  4. Step 4: Simplify right side
    10,451.22x = 60,795,896.51
  5. Step 5: Solve for x
    x = 60,795,896.51/10,451.22
  6. Step 6: Final answer
    x = 5,817.11

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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.