Home / 6,787.61-10,180.93-2,107.51

Finding the Fourth Proportional to 6,787.61, 10,180.93 and 2,107.51

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Solution

The fourth proportional to 6,787.61, 10,180.93 and 2,107.51 is: 3,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.61 : 10,180.93 = 2,107.51 : x
  2. Step 2: Convert to fraction form
    6,787.61/10,180.93 = 2,107.51/x
  3. Step 3: Cross multiply
    6,787.61x = 10,180.93 × 2,107.51
  4. Step 4: Simplify right side
    6,787.61x = 21,456,411.78
  5. Step 5: Solve for x
    x = 21,456,411.78/6,787.61
  6. Step 6: Final answer
    x = 3,161.11

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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.