Home / 4,901.91-6,762.31-2,911.33

Finding the Fourth Proportional to 4,901.91, 6,762.31 and 2,911.33

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Solution

The fourth proportional to 4,901.91, 6,762.31 and 2,911.33 is: 4,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.91 : 6,762.31 = 2,911.33 : x
  2. Step 2: Convert to fraction form
    4,901.91/6,762.31 = 2,911.33/x
  3. Step 3: Cross multiply
    4,901.91x = 6,762.31 × 2,911.33
  4. Step 4: Simplify right side
    4,901.91x = 19,687,315.97
  5. Step 5: Solve for x
    x = 19,687,315.97/4,901.91
  6. Step 6: Final answer
    x = 4,016.25

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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.