Home / 4,986.13-6,876.93-4,650.79

Finding the Fourth Proportional to 4,986.13, 6,876.93 and 4,650.79

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Solution

The fourth proportional to 4,986.13, 6,876.93 and 4,650.79 is: 6,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.13 : 6,876.93 = 4,650.79 : x
  2. Step 2: Convert to fraction form
    4,986.13/6,876.93 = 4,650.79/x
  3. Step 3: Cross multiply
    4,986.13x = 6,876.93 × 4,650.79
  4. Step 4: Simplify right side
    4,986.13x = 31,983,157.27
  5. Step 5: Solve for x
    x = 31,983,157.27/4,986.13
  6. Step 6: Final answer
    x = 6,414.43

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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.