Home / 5,227.64-7,208.70-3,899.24

Finding the Fourth Proportional to 5,227.64, 7,208.70 and 3,899.24

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Solution

The fourth proportional to 5,227.64, 7,208.70 and 3,899.24 is: 5,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.64 : 7,208.70 = 3,899.24 : x
  2. Step 2: Convert to fraction form
    5,227.64/7,208.70 = 3,899.24/x
  3. Step 3: Cross multiply
    5,227.64x = 7,208.70 × 3,899.24
  4. Step 4: Simplify right side
    5,227.64x = 28,108,451.39
  5. Step 5: Solve for x
    x = 28,108,451.39/5,227.64
  6. Step 6: Final answer
    x = 5,376.89

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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.