Home / 4,975.29-6,866.51-2,986.97

Finding the Fourth Proportional to 4,975.29, 6,866.51 and 2,986.97

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Solution

The fourth proportional to 4,975.29, 6,866.51 and 2,986.97 is: 4,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.29 : 6,866.51 = 2,986.97 : x
  2. Step 2: Convert to fraction form
    4,975.29/6,866.51 = 2,986.97/x
  3. Step 3: Cross multiply
    4,975.29x = 6,866.51 × 2,986.97
  4. Step 4: Simplify right side
    4,975.29x = 20,510,010.11
  5. Step 5: Solve for x
    x = 20,510,010.11/4,975.29
  6. Step 6: Final answer
    x = 4,122.37

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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.