Home / 8,905.25-13,358.06-2,749.25

Finding the Fourth Proportional to 8,905.25, 13,358.06 and 2,749.25

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Solution

The fourth proportional to 8,905.25, 13,358.06 and 2,749.25 is: 4,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.25 : 13,358.06 = 2,749.25 : x
  2. Step 2: Convert to fraction form
    8,905.25/13,358.06 = 2,749.25/x
  3. Step 3: Cross multiply
    8,905.25x = 13,358.06 × 2,749.25
  4. Step 4: Simplify right side
    8,905.25x = 36,724,632.71
  5. Step 5: Solve for x
    x = 36,724,632.71/8,905.25
  6. Step 6: Final answer
    x = 4,123.93

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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.