Home / 5,027.79-6,938.51-2,789.83

Finding the Fourth Proportional to 5,027.79, 6,938.51 and 2,789.83

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Solution

The fourth proportional to 5,027.79, 6,938.51 and 2,789.83 is: 3,850.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.79 : 6,938.51 = 2,789.83 : x
  2. Step 2: Convert to fraction form
    5,027.79/6,938.51 = 2,789.83/x
  3. Step 3: Cross multiply
    5,027.79x = 6,938.51 × 2,789.83
  4. Step 4: Simplify right side
    5,027.79x = 19,357,305.77
  5. Step 5: Solve for x
    x = 19,357,305.77/5,027.79
  6. Step 6: Final answer
    x = 3,850.06

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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.