Home / 9,360.91-14,044.40-2,787.15

Finding the Fourth Proportional to 9,360.91, 14,044.40 and 2,787.15

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Solution

The fourth proportional to 9,360.91, 14,044.40 and 2,787.15 is: 4,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.91 : 14,044.40 = 2,787.15 : x
  2. Step 2: Convert to fraction form
    9,360.91/14,044.40 = 2,787.15/x
  3. Step 3: Cross multiply
    9,360.91x = 14,044.40 × 2,787.15
  4. Step 4: Simplify right side
    9,360.91x = 39,143,849.46
  5. Step 5: Solve for x
    x = 39,143,849.46/9,360.91
  6. Step 6: Final answer
    x = 4,181.63

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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.