Home / 6,784.40-10,175.82-1,854.44

Finding the Fourth Proportional to 6,784.40, 10,175.82 and 1,854.44

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Solution

The fourth proportional to 6,784.40, 10,175.82 and 1,854.44 is: 2,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.40 : 10,175.82 = 1,854.44 : x
  2. Step 2: Convert to fraction form
    6,784.40/10,175.82 = 1,854.44/x
  3. Step 3: Cross multiply
    6,784.40x = 10,175.82 × 1,854.44
  4. Step 4: Simplify right side
    6,784.40x = 18,870,473.08
  5. Step 5: Solve for x
    x = 18,870,473.08/6,784.40
  6. Step 6: Final answer
    x = 2,781.45

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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.