Home / 6,998.28-9,657.26-3,853.86

Finding the Fourth Proportional to 6,998.28, 9,657.26 and 3,853.86

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Solution

The fourth proportional to 6,998.28, 9,657.26 and 3,853.86 is: 5,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.28 : 9,657.26 = 3,853.86 : x
  2. Step 2: Convert to fraction form
    6,998.28/9,657.26 = 3,853.86/x
  3. Step 3: Cross multiply
    6,998.28x = 9,657.26 × 3,853.86
  4. Step 4: Simplify right side
    6,998.28x = 37,217,728.02
  5. Step 5: Solve for x
    x = 37,217,728.02/6,998.28
  6. Step 6: Final answer
    x = 5,318.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.