Home / 8,864.74-13,299.81-4,188.34

Finding the Fourth Proportional to 8,864.74, 13,299.81 and 4,188.34

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Solution

The fourth proportional to 8,864.74, 13,299.81 and 4,188.34 is: 6,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.74 : 13,299.81 = 4,188.34 : x
  2. Step 2: Convert to fraction form
    8,864.74/13,299.81 = 4,188.34/x
  3. Step 3: Cross multiply
    8,864.74x = 13,299.81 × 4,188.34
  4. Step 4: Simplify right side
    8,864.74x = 55,704,126.22
  5. Step 5: Solve for x
    x = 55,704,126.22/8,864.74
  6. Step 6: Final answer
    x = 6,283.79

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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.