Home / 5,199.79-7,177.67-3,529.84

Finding the Fourth Proportional to 5,199.79, 7,177.67 and 3,529.84

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Solution

The fourth proportional to 5,199.79, 7,177.67 and 3,529.84 is: 4,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.79 : 7,177.67 = 3,529.84 : x
  2. Step 2: Convert to fraction form
    5,199.79/7,177.67 = 3,529.84/x
  3. Step 3: Cross multiply
    5,199.79x = 7,177.67 × 3,529.84
  4. Step 4: Simplify right side
    5,199.79x = 25,336,026.67
  5. Step 5: Solve for x
    x = 25,336,026.67/5,199.79
  6. Step 6: Final answer
    x = 4,872.51

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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.