Home / 5,286.06-7,294.82-2,928.34

Finding the Fourth Proportional to 5,286.06, 7,294.82 and 2,928.34

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Solution

The fourth proportional to 5,286.06, 7,294.82 and 2,928.34 is: 4,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.06 : 7,294.82 = 2,928.34 : x
  2. Step 2: Convert to fraction form
    5,286.06/7,294.82 = 2,928.34/x
  3. Step 3: Cross multiply
    5,286.06x = 7,294.82 × 2,928.34
  4. Step 4: Simplify right side
    5,286.06x = 21,361,713.20
  5. Step 5: Solve for x
    x = 21,361,713.20/5,286.06
  6. Step 6: Final answer
    x = 4,041.14

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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.