Home / 5,027.24-6,938.52-3,139.68

Finding the Fourth Proportional to 5,027.24, 6,938.52 and 3,139.68

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Solution

The fourth proportional to 5,027.24, 6,938.52 and 3,139.68 is: 4,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.24 : 6,938.52 = 3,139.68 : x
  2. Step 2: Convert to fraction form
    5,027.24/6,938.52 = 3,139.68/x
  3. Step 3: Cross multiply
    5,027.24x = 6,938.52 × 3,139.68
  4. Step 4: Simplify right side
    5,027.24x = 21,784,732.47
  5. Step 5: Solve for x
    x = 21,784,732.47/5,027.24
  6. Step 6: Final answer
    x = 4,333.34

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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.