Home / 5,291.16-7,304.22-3,969.24

Finding the Fourth Proportional to 5,291.16, 7,304.22 and 3,969.24

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Solution

The fourth proportional to 5,291.16, 7,304.22 and 3,969.24 is: 5,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.16 : 7,304.22 = 3,969.24 : x
  2. Step 2: Convert to fraction form
    5,291.16/7,304.22 = 3,969.24/x
  3. Step 3: Cross multiply
    5,291.16x = 7,304.22 × 3,969.24
  4. Step 4: Simplify right side
    5,291.16x = 28,992,202.19
  5. Step 5: Solve for x
    x = 28,992,202.19/5,291.16
  6. Step 6: Final answer
    x = 5,479.37

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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.