Home / 6,680.84-9,220.38-3,886.34

Finding the Fourth Proportional to 6,680.84, 9,220.38 and 3,886.34

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Solution

The fourth proportional to 6,680.84, 9,220.38 and 3,886.34 is: 5,363.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.84 : 9,220.38 = 3,886.34 : x
  2. Step 2: Convert to fraction form
    6,680.84/9,220.38 = 3,886.34/x
  3. Step 3: Cross multiply
    6,680.84x = 9,220.38 × 3,886.34
  4. Step 4: Simplify right side
    6,680.84x = 35,833,531.61
  5. Step 5: Solve for x
    x = 35,833,531.61/6,680.84
  6. Step 6: Final answer
    x = 5,363.63

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Half scale
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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.