Home / 6,765.89-10,144.78-3,015.72

Finding the Fourth Proportional to 6,765.89, 10,144.78 and 3,015.72

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Solution

The fourth proportional to 6,765.89, 10,144.78 and 3,015.72 is: 4,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.89 : 10,144.78 = 3,015.72 : x
  2. Step 2: Convert to fraction form
    6,765.89/10,144.78 = 3,015.72/x
  3. Step 3: Cross multiply
    6,765.89x = 10,144.78 × 3,015.72
  4. Step 4: Simplify right side
    6,765.89x = 30,593,808.40
  5. Step 5: Solve for x
    x = 30,593,808.40/6,765.89
  6. Step 6: Final answer
    x = 4,521.77

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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.