Home / 5,027.47-6,933.36-3,139.22

Finding the Fourth Proportional to 5,027.47, 6,933.36 and 3,139.22

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Solution

The fourth proportional to 5,027.47, 6,933.36 and 3,139.22 is: 4,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.47 : 6,933.36 = 3,139.22 : x
  2. Step 2: Convert to fraction form
    5,027.47/6,933.36 = 3,139.22/x
  3. Step 3: Cross multiply
    5,027.47x = 6,933.36 × 3,139.22
  4. Step 4: Simplify right side
    5,027.47x = 21,765,371.48
  5. Step 5: Solve for x
    x = 21,765,371.48/5,027.47
  6. Step 6: Final answer
    x = 4,329.29

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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.