Home / 8,913.73-13,316.42-5,768.11

Finding the Fourth Proportional to 8,913.73, 13,316.42 and 5,768.11

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Solution

The fourth proportional to 8,913.73, 13,316.42 and 5,768.11 is: 8,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.73 : 13,316.42 = 5,768.11 : x
  2. Step 2: Convert to fraction form
    8,913.73/13,316.42 = 5,768.11/x
  3. Step 3: Cross multiply
    8,913.73x = 13,316.42 × 5,768.11
  4. Step 4: Simplify right side
    8,913.73x = 76,810,575.37
  5. Step 5: Solve for x
    x = 76,810,575.37/8,913.73
  6. Step 6: Final answer
    x = 8,617.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.