Home / 6,290.33-8,680.59-3,637.69

Finding the Fourth Proportional to 6,290.33, 8,680.59 and 3,637.69

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Solution

The fourth proportional to 6,290.33, 8,680.59 and 3,637.69 is: 5,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.33 : 8,680.59 = 3,637.69 : x
  2. Step 2: Convert to fraction form
    6,290.33/8,680.59 = 3,637.69/x
  3. Step 3: Cross multiply
    6,290.33x = 8,680.59 × 3,637.69
  4. Step 4: Simplify right side
    6,290.33x = 31,577,295.44
  5. Step 5: Solve for x
    x = 31,577,295.44/6,290.33
  6. Step 6: Final answer
    x = 5,019.97

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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.