Home / 6,881.38-9,486.90-4,727.86

Finding the Fourth Proportional to 6,881.38, 9,486.90 and 4,727.86

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Solution

The fourth proportional to 6,881.38, 9,486.90 and 4,727.86 is: 6,517.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.38 : 9,486.90 = 4,727.86 : x
  2. Step 2: Convert to fraction form
    6,881.38/9,486.90 = 4,727.86/x
  3. Step 3: Cross multiply
    6,881.38x = 9,486.90 × 4,727.86
  4. Step 4: Simplify right side
    6,881.38x = 44,852,735.03
  5. Step 5: Solve for x
    x = 44,852,735.03/6,881.38
  6. Step 6: Final answer
    x = 6,517.99

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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.