Home / 6,853.39-10,280.07-2,690.49

Finding the Fourth Proportional to 6,853.39, 10,280.07 and 2,690.49

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Solution

The fourth proportional to 6,853.39, 10,280.07 and 2,690.49 is: 4,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.39 : 10,280.07 = 2,690.49 : x
  2. Step 2: Convert to fraction form
    6,853.39/10,280.07 = 2,690.49/x
  3. Step 3: Cross multiply
    6,853.39x = 10,280.07 × 2,690.49
  4. Step 4: Simplify right side
    6,853.39x = 27,658,425.53
  5. Step 5: Solve for x
    x = 27,658,425.53/6,853.39
  6. Step 6: Final answer
    x = 4,035.73

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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.