Home / 9,163.34-13,742.28-4,778.41

Finding the Fourth Proportional to 9,163.34, 13,742.28 and 4,778.41

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Solution

The fourth proportional to 9,163.34, 13,742.28 and 4,778.41 is: 7,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.34 : 13,742.28 = 4,778.41 : x
  2. Step 2: Convert to fraction form
    9,163.34/13,742.28 = 4,778.41/x
  3. Step 3: Cross multiply
    9,163.34x = 13,742.28 × 4,778.41
  4. Step 4: Simplify right side
    9,163.34x = 65,666,248.17
  5. Step 5: Solve for x
    x = 65,666,248.17/9,163.34
  6. Step 6: Final answer
    x = 7,166.19

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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.