Home / 5,086.40-7,019.26-2,848.47

Finding the Fourth Proportional to 5,086.40, 7,019.26 and 2,848.47

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Solution

The fourth proportional to 5,086.40, 7,019.26 and 2,848.47 is: 3,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.40 : 7,019.26 = 2,848.47 : x
  2. Step 2: Convert to fraction form
    5,086.40/7,019.26 = 2,848.47/x
  3. Step 3: Cross multiply
    5,086.40x = 7,019.26 × 2,848.47
  4. Step 4: Simplify right side
    5,086.40x = 19,994,118.09
  5. Step 5: Solve for x
    x = 19,994,118.09/5,086.40
  6. Step 6: Final answer
    x = 3,930.90

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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.