Home / 6,704.20-10,061.10-2,811.40

Finding the Fourth Proportional to 6,704.20, 10,061.10 and 2,811.40

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Solution

The fourth proportional to 6,704.20, 10,061.10 and 2,811.40 is: 4,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,704.20 : 10,061.10 = 2,811.40 : x
  2. Step 2: Convert to fraction form
    6,704.20/10,061.10 = 2,811.40/x
  3. Step 3: Cross multiply
    6,704.20x = 10,061.10 × 2,811.40
  4. Step 4: Simplify right side
    6,704.20x = 28,285,776.54
  5. Step 5: Solve for x
    x = 28,285,776.54/6,704.20
  6. Step 6: Final answer
    x = 4,219.11

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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.