Home / 5,248.90-7,243.44-3,910.51

Finding the Fourth Proportional to 5,248.90, 7,243.44 and 3,910.51

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Solution

The fourth proportional to 5,248.90, 7,243.44 and 3,910.51 is: 5,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.90 : 7,243.44 = 3,910.51 : x
  2. Step 2: Convert to fraction form
    5,248.90/7,243.44 = 3,910.51/x
  3. Step 3: Cross multiply
    5,248.90x = 7,243.44 × 3,910.51
  4. Step 4: Simplify right side
    5,248.90x = 28,325,508.34
  5. Step 5: Solve for x
    x = 28,325,508.34/5,248.90
  6. Step 6: Final answer
    x = 5,396.47

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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.