Home / 7,944.21-11,913.48-3,015.18

Finding the Fourth Proportional to 7,944.21, 11,913.48 and 3,015.18

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Solution

The fourth proportional to 7,944.21, 11,913.48 and 3,015.18 is: 4,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.21 : 11,913.48 = 3,015.18 : x
  2. Step 2: Convert to fraction form
    7,944.21/11,913.48 = 3,015.18/x
  3. Step 3: Cross multiply
    7,944.21x = 11,913.48 × 3,015.18
  4. Step 4: Simplify right side
    7,944.21x = 35,921,286.63
  5. Step 5: Solve for x
    x = 35,921,286.63/7,944.21
  6. Step 6: Final answer
    x = 4,521.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.