Home / 5,027.20-6,930.36-3,906.16

Finding the Fourth Proportional to 5,027.20, 6,930.36 and 3,906.16

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Solution

The fourth proportional to 5,027.20, 6,930.36 and 3,906.16 is: 5,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.20 : 6,930.36 = 3,906.16 : x
  2. Step 2: Convert to fraction form
    5,027.20/6,930.36 = 3,906.16/x
  3. Step 3: Cross multiply
    5,027.20x = 6,930.36 × 3,906.16
  4. Step 4: Simplify right side
    5,027.20x = 27,071,095.02
  5. Step 5: Solve for x
    x = 27,071,095.02/5,027.20
  6. Step 6: Final answer
    x = 5,384.93

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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.