Home / 8,943.96-13,416.66-2,787.96

Finding the Fourth Proportional to 8,943.96, 13,416.66 and 2,787.96

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Solution

The fourth proportional to 8,943.96, 13,416.66 and 2,787.96 is: 4,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.96 : 13,416.66 = 2,787.96 : x
  2. Step 2: Convert to fraction form
    8,943.96/13,416.66 = 2,787.96/x
  3. Step 3: Cross multiply
    8,943.96x = 13,416.66 × 2,787.96
  4. Step 4: Simplify right side
    8,943.96x = 37,405,111.41
  5. Step 5: Solve for x
    x = 37,405,111.41/8,943.96
  6. Step 6: Final answer
    x = 4,182.16

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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.