Home / 4,986.88-6,883.20-3,414.40

Finding the Fourth Proportional to 4,986.88, 6,883.20 and 3,414.40

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Solution

The fourth proportional to 4,986.88, 6,883.20 and 3,414.40 is: 4,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.88 : 6,883.20 = 3,414.40 : x
  2. Step 2: Convert to fraction form
    4,986.88/6,883.20 = 3,414.40/x
  3. Step 3: Cross multiply
    4,986.88x = 6,883.20 × 3,414.40
  4. Step 4: Simplify right side
    4,986.88x = 23,501,998.08
  5. Step 5: Solve for x
    x = 23,501,998.08/4,986.88
  6. Step 6: Final answer
    x = 4,712.77

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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.