Home / 7,717.97-11,576.95-2,787.62

Finding the Fourth Proportional to 7,717.97, 11,576.95 and 2,787.62

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Solution

The fourth proportional to 7,717.97, 11,576.95 and 2,787.62 is: 4,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.97 : 11,576.95 = 2,787.62 : x
  2. Step 2: Convert to fraction form
    7,717.97/11,576.95 = 2,787.62/x
  3. Step 3: Cross multiply
    7,717.97x = 11,576.95 × 2,787.62
  4. Step 4: Simplify right side
    7,717.97x = 32,272,088.19
  5. Step 5: Solve for x
    x = 32,272,088.19/7,717.97
  6. Step 6: Final answer
    x = 4,181.42

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1.5x scale

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.