Home / 6,787.71-10,182.57-2,108.19

Finding the Fourth Proportional to 6,787.71, 10,182.57 and 2,108.19

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Solution

The fourth proportional to 6,787.71, 10,182.57 and 2,108.19 is: 3,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.71 : 10,182.57 = 2,108.19 : x
  2. Step 2: Convert to fraction form
    6,787.71/10,182.57 = 2,108.19/x
  3. Step 3: Cross multiply
    6,787.71x = 10,182.57 × 2,108.19
  4. Step 4: Simplify right side
    6,787.71x = 21,466,792.25
  5. Step 5: Solve for x
    x = 21,466,792.25/6,787.71
  6. Step 6: Final answer
    x = 3,162.60

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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.