Home / 4,918.32-6,787.17-2,680.23

Finding the Fourth Proportional to 4,918.32, 6,787.17 and 2,680.23

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Solution

The fourth proportional to 4,918.32, 6,787.17 and 2,680.23 is: 3,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.32 : 6,787.17 = 2,680.23 : x
  2. Step 2: Convert to fraction form
    4,918.32/6,787.17 = 2,680.23/x
  3. Step 3: Cross multiply
    4,918.32x = 6,787.17 × 2,680.23
  4. Step 4: Simplify right side
    4,918.32x = 18,191,176.65
  5. Step 5: Solve for x
    x = 18,191,176.65/4,918.32
  6. Step 6: Final answer
    x = 3,698.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.