Home / 6,784.38-10,176.66-1,854.18

Finding the Fourth Proportional to 6,784.38, 10,176.66 and 1,854.18

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Solution

The fourth proportional to 6,784.38, 10,176.66 and 1,854.18 is: 2,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.38 : 10,176.66 = 1,854.18 : x
  2. Step 2: Convert to fraction form
    6,784.38/10,176.66 = 1,854.18/x
  3. Step 3: Cross multiply
    6,784.38x = 10,176.66 × 1,854.18
  4. Step 4: Simplify right side
    6,784.38x = 18,869,359.44
  5. Step 5: Solve for x
    x = 18,869,359.44/6,784.38
  6. Step 6: Final answer
    x = 2,781.29

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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.