Home / 5,086.60-7,019.30-2,848.60

Finding the Fourth Proportional to 5,086.60, 7,019.30 and 2,848.60

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Solution

The fourth proportional to 5,086.60, 7,019.30 and 2,848.60 is: 3,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.60 : 7,019.30 = 2,848.60 : x
  2. Step 2: Convert to fraction form
    5,086.60/7,019.30 = 2,848.60/x
  3. Step 3: Cross multiply
    5,086.60x = 7,019.30 × 2,848.60
  4. Step 4: Simplify right side
    5,086.60x = 19,995,177.98
  5. Step 5: Solve for x
    x = 19,995,177.98/5,086.60
  6. Step 6: Final answer
    x = 3,930.95

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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.