Home / 10,408.56-15,610.48-3,011.36

Finding the Fourth Proportional to 10,408.56, 15,610.48 and 3,011.36

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Solution

The fourth proportional to 10,408.56, 15,610.48 and 3,011.36 is: 4,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.56 : 15,610.48 = 3,011.36 : x
  2. Step 2: Convert to fraction form
    10,408.56/15,610.48 = 3,011.36/x
  3. Step 3: Cross multiply
    10,408.56x = 15,610.48 × 3,011.36
  4. Step 4: Simplify right side
    10,408.56x = 47,008,775.05
  5. Step 5: Solve for x
    x = 47,008,775.05/10,408.56
  6. Step 6: Final answer
    x = 4,516.36

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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.