Home / 5,086.68-7,018.80-2,848.65

Finding the Fourth Proportional to 5,086.68, 7,018.80 and 2,848.65

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Solution

The fourth proportional to 5,086.68, 7,018.80 and 2,848.65 is: 3,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.68 : 7,018.80 = 2,848.65 : x
  2. Step 2: Convert to fraction form
    5,086.68/7,018.80 = 2,848.65/x
  3. Step 3: Cross multiply
    5,086.68x = 7,018.80 × 2,848.65
  4. Step 4: Simplify right side
    5,086.68x = 19,994,104.62
  5. Step 5: Solve for x
    x = 19,994,104.62/5,086.68
  6. Step 6: Final answer
    x = 3,930.68

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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.