Home / 6,784.90-10,177.34-1,854.43

Finding the Fourth Proportional to 6,784.90, 10,177.34 and 1,854.43

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Solution

The fourth proportional to 6,784.90, 10,177.34 and 1,854.43 is: 2,781.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.90 : 10,177.34 = 1,854.43 : x
  2. Step 2: Convert to fraction form
    6,784.90/10,177.34 = 1,854.43/x
  3. Step 3: Cross multiply
    6,784.90x = 10,177.34 × 1,854.43
  4. Step 4: Simplify right side
    6,784.90x = 18,873,164.62
  5. Step 5: Solve for x
    x = 18,873,164.62/6,784.90
  6. Step 6: Final answer
    x = 2,781.64

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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.