Home / 6,787.35-9,370.91-5,531.41

Finding the Fourth Proportional to 6,787.35, 9,370.91 and 5,531.41

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Solution

The fourth proportional to 6,787.35, 9,370.91 and 5,531.41 is: 7,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.35 : 9,370.91 = 5,531.41 : x
  2. Step 2: Convert to fraction form
    6,787.35/9,370.91 = 5,531.41/x
  3. Step 3: Cross multiply
    6,787.35x = 9,370.91 × 5,531.41
  4. Step 4: Simplify right side
    6,787.35x = 51,834,335.68
  5. Step 5: Solve for x
    x = 51,834,335.68/6,787.35
  6. Step 6: Final answer
    x = 7,636.90

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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.