Home / 8,827.97-13,243.59-2,905.19

Finding the Fourth Proportional to 8,827.97, 13,243.59 and 2,905.19

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Solution

The fourth proportional to 8,827.97, 13,243.59 and 2,905.19 is: 4,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.97 : 13,243.59 = 2,905.19 : x
  2. Step 2: Convert to fraction form
    8,827.97/13,243.59 = 2,905.19/x
  3. Step 3: Cross multiply
    8,827.97x = 13,243.59 × 2,905.19
  4. Step 4: Simplify right side
    8,827.97x = 38,475,079.01
  5. Step 5: Solve for x
    x = 38,475,079.01/8,827.97
  6. Step 6: Final answer
    x = 4,358.32

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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.