Home / 5,027.30-6,937.74-2,789.22

Finding the Fourth Proportional to 5,027.30, 6,937.74 and 2,789.22

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Solution

The fourth proportional to 5,027.30, 6,937.74 and 2,789.22 is: 3,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.30 : 6,937.74 = 2,789.22 : x
  2. Step 2: Convert to fraction form
    5,027.30/6,937.74 = 2,789.22/x
  3. Step 3: Cross multiply
    5,027.30x = 6,937.74 × 2,789.22
  4. Step 4: Simplify right side
    5,027.30x = 19,350,883.16
  5. Step 5: Solve for x
    x = 19,350,883.16/5,027.30
  6. Step 6: Final answer
    x = 3,849.16

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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.