Home / 5,237.88-7,227.47-2,999.31

Finding the Fourth Proportional to 5,237.88, 7,227.47 and 2,999.31

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Solution

The fourth proportional to 5,237.88, 7,227.47 and 2,999.31 is: 4,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.88 : 7,227.47 = 2,999.31 : x
  2. Step 2: Convert to fraction form
    5,237.88/7,227.47 = 2,999.31/x
  3. Step 3: Cross multiply
    5,237.88x = 7,227.47 × 2,999.31
  4. Step 4: Simplify right side
    5,237.88x = 21,677,408.05
  5. Step 5: Solve for x
    x = 21,677,408.05/5,237.88
  6. Step 6: Final answer
    x = 4,138.58

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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.