Home / 4,975.19-6,866.33-2,986.84

Finding the Fourth Proportional to 4,975.19, 6,866.33 and 2,986.84

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Solution

The fourth proportional to 4,975.19, 6,866.33 and 2,986.84 is: 4,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.19 : 6,866.33 = 2,986.84 : x
  2. Step 2: Convert to fraction form
    4,975.19/6,866.33 = 2,986.84/x
  3. Step 3: Cross multiply
    4,975.19x = 6,866.33 × 2,986.84
  4. Step 4: Simplify right side
    4,975.19x = 20,508,629.10
  5. Step 5: Solve for x
    x = 20,508,629.10/4,975.19
  6. Step 6: Final answer
    x = 4,122.18

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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.