Home / 6,684.19-9,217.87-4,986.45

Finding the Fourth Proportional to 6,684.19, 9,217.87 and 4,986.45

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Solution

The fourth proportional to 6,684.19, 9,217.87 and 4,986.45 is: 6,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,684.19 : 9,217.87 = 4,986.45 : x
  2. Step 2: Convert to fraction form
    6,684.19/9,217.87 = 4,986.45/x
  3. Step 3: Cross multiply
    6,684.19x = 9,217.87 × 4,986.45
  4. Step 4: Simplify right side
    6,684.19x = 45,964,447.86
  5. Step 5: Solve for x
    x = 45,964,447.86/6,684.19
  6. Step 6: Final answer
    x = 6,876.59

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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.