Home / 6,771.17-10,155.30-1,840.86

Finding the Fourth Proportional to 6,771.17, 10,155.30 and 1,840.86

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Solution

The fourth proportional to 6,771.17, 10,155.30 and 1,840.86 is: 2,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.17 : 10,155.30 = 1,840.86 : x
  2. Step 2: Convert to fraction form
    6,771.17/10,155.30 = 1,840.86/x
  3. Step 3: Cross multiply
    6,771.17x = 10,155.30 × 1,840.86
  4. Step 4: Simplify right side
    6,771.17x = 18,694,478.65
  5. Step 5: Solve for x
    x = 18,694,478.65/6,771.17
  6. Step 6: Final answer
    x = 2,760.89

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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.