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Finding the Fourth Proportional to 5,309.44, 7,327.44 and 2,952.16

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Solution

The fourth proportional to 5,309.44, 7,327.44 and 2,952.16 is: 4,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.44 : 7,327.44 = 2,952.16 : x
  2. Step 2: Convert to fraction form
    5,309.44/7,327.44 = 2,952.16/x
  3. Step 3: Cross multiply
    5,309.44x = 7,327.44 × 2,952.16
  4. Step 4: Simplify right side
    5,309.44x = 21,631,775.27
  5. Step 5: Solve for x
    x = 21,631,775.27/5,309.44
  6. Step 6: Final answer
    x = 4,074.21

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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.