Home / 4,011.15-6,015.17-1,378.15

Finding the Fourth Proportional to 4,011.15, 6,015.17 and 1,378.15

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Solution

The fourth proportional to 4,011.15, 6,015.17 and 1,378.15 is: 2,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.15 : 6,015.17 = 1,378.15 : x
  2. Step 2: Convert to fraction form
    4,011.15/6,015.17 = 1,378.15/x
  3. Step 3: Cross multiply
    4,011.15x = 6,015.17 × 1,378.15
  4. Step 4: Simplify right side
    4,011.15x = 8,289,806.54
  5. Step 5: Solve for x
    x = 8,289,806.54/4,011.15
  6. Step 6: Final answer
    x = 2,066.69

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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.