Home / 5,318.19-7,341.98-3,729.72

Finding the Fourth Proportional to 5,318.19, 7,341.98 and 3,729.72

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Solution

The fourth proportional to 5,318.19, 7,341.98 and 3,729.72 is: 5,149.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.19 : 7,341.98 = 3,729.72 : x
  2. Step 2: Convert to fraction form
    5,318.19/7,341.98 = 3,729.72/x
  3. Step 3: Cross multiply
    5,318.19x = 7,341.98 × 3,729.72
  4. Step 4: Simplify right side
    5,318.19x = 27,383,529.65
  5. Step 5: Solve for x
    x = 27,383,529.65/5,318.19
  6. Step 6: Final answer
    x = 5,149.03

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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.