Home / 4,976.96-6,865.35-3,110.72

Finding the Fourth Proportional to 4,976.96, 6,865.35 and 3,110.72

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Solution

The fourth proportional to 4,976.96, 6,865.35 and 3,110.72 is: 4,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.96 : 6,865.35 = 3,110.72 : x
  2. Step 2: Convert to fraction form
    4,976.96/6,865.35 = 3,110.72/x
  3. Step 3: Cross multiply
    4,976.96x = 6,865.35 × 3,110.72
  4. Step 4: Simplify right side
    4,976.96x = 21,356,198.72
  5. Step 5: Solve for x
    x = 21,356,198.72/4,976.96
  6. Step 6: Final answer
    x = 4,291.01

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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.