Home / 8,963.51-13,445.86-2,389.75

Finding the Fourth Proportional to 8,963.51, 13,445.86 and 2,389.75

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Solution

The fourth proportional to 8,963.51, 13,445.86 and 2,389.75 is: 3,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.51 : 13,445.86 = 2,389.75 : x
  2. Step 2: Convert to fraction form
    8,963.51/13,445.86 = 2,389.75/x
  3. Step 3: Cross multiply
    8,963.51x = 13,445.86 × 2,389.75
  4. Step 4: Simplify right side
    8,963.51x = 32,132,243.94
  5. Step 5: Solve for x
    x = 32,132,243.94/8,963.51
  6. Step 6: Final answer
    x = 3,584.78

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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.