Home / 4,707.80-6,494.91-3,291.11

Finding the Fourth Proportional to 4,707.80, 6,494.91 and 3,291.11

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Solution

The fourth proportional to 4,707.80, 6,494.91 and 3,291.11 is: 4,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.80 : 6,494.91 = 3,291.11 : x
  2. Step 2: Convert to fraction form
    4,707.80/6,494.91 = 3,291.11/x
  3. Step 3: Cross multiply
    4,707.80x = 6,494.91 × 3,291.11
  4. Step 4: Simplify right side
    4,707.80x = 21,375,463.25
  5. Step 5: Solve for x
    x = 21,375,463.25/4,707.80
  6. Step 6: Final answer
    x = 4,540.44

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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.