Home / 5,229.64-7,211.46-3,901.24

Finding the Fourth Proportional to 5,229.64, 7,211.46 and 3,901.24

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Solution

The fourth proportional to 5,229.64, 7,211.46 and 3,901.24 is: 5,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.64 : 7,211.46 = 3,901.24 : x
  2. Step 2: Convert to fraction form
    5,229.64/7,211.46 = 3,901.24/x
  3. Step 3: Cross multiply
    5,229.64x = 7,211.46 × 3,901.24
  4. Step 4: Simplify right side
    5,229.64x = 28,133,636.21
  5. Step 5: Solve for x
    x = 28,133,636.21/5,229.64
  6. Step 6: Final answer
    x = 5,379.65

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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.