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Finding the Fourth Proportional to 6,853.93, 10,280.90 and 1,659.81

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Solution

The fourth proportional to 6,853.93, 10,280.90 and 1,659.81 is: 2,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.93 : 10,280.90 = 1,659.81 : x
  2. Step 2: Convert to fraction form
    6,853.93/10,280.90 = 1,659.81/x
  3. Step 3: Cross multiply
    6,853.93x = 10,280.90 × 1,659.81
  4. Step 4: Simplify right side
    6,853.93x = 17,064,340.63
  5. Step 5: Solve for x
    x = 17,064,340.63/6,853.93
  6. Step 6: Final answer
    x = 2,489.72

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Similar ratio
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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.