Home / 4,976.42-6,867.65-2,986.25

Finding the Fourth Proportional to 4,976.42, 6,867.65 and 2,986.25

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Solution

The fourth proportional to 4,976.42, 6,867.65 and 2,986.25 is: 4,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.42 : 6,867.65 = 2,986.25 : x
  2. Step 2: Convert to fraction form
    4,976.42/6,867.65 = 2,986.25/x
  3. Step 3: Cross multiply
    4,976.42x = 6,867.65 × 2,986.25
  4. Step 4: Simplify right side
    4,976.42x = 20,508,492.94
  5. Step 5: Solve for x
    x = 20,508,492.94/4,976.42
  6. Step 6: Final answer
    x = 4,121.14

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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.