Home / 6,785.43-10,176.79-1,853.90

Finding the Fourth Proportional to 6,785.43, 10,176.79 and 1,853.90

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Solution

The fourth proportional to 6,785.43, 10,176.79 and 1,853.90 is: 2,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.43 : 10,176.79 = 1,853.90 : x
  2. Step 2: Convert to fraction form
    6,785.43/10,176.79 = 1,853.90/x
  3. Step 3: Cross multiply
    6,785.43x = 10,176.79 × 1,853.90
  4. Step 4: Simplify right side
    6,785.43x = 18,866,750.98
  5. Step 5: Solve for x
    x = 18,866,750.98/6,785.43
  6. Step 6: Final answer
    x = 2,780.48

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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.