Home / 5,348.79-7,378.17-3,355.89

Finding the Fourth Proportional to 5,348.79, 7,378.17 and 3,355.89

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Solution

The fourth proportional to 5,348.79, 7,378.17 and 3,355.89 is: 4,629.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.79 : 7,378.17 = 3,355.89 : x
  2. Step 2: Convert to fraction form
    5,348.79/7,378.17 = 3,355.89/x
  3. Step 3: Cross multiply
    5,348.79x = 7,378.17 × 3,355.89
  4. Step 4: Simplify right side
    5,348.79x = 24,760,286.67
  5. Step 5: Solve for x
    x = 24,760,286.67/5,348.79
  6. Step 6: Final answer
    x = 4,629.14

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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.