Home / 4,757.91-6,565.14-2,991.90

Finding the Fourth Proportional to 4,757.91, 6,565.14 and 2,991.90

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Solution

The fourth proportional to 4,757.91, 6,565.14 and 2,991.90 is: 4,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.91 : 6,565.14 = 2,991.90 : x
  2. Step 2: Convert to fraction form
    4,757.91/6,565.14 = 2,991.90/x
  3. Step 3: Cross multiply
    4,757.91x = 6,565.14 × 2,991.90
  4. Step 4: Simplify right side
    4,757.91x = 19,642,242.37
  5. Step 5: Solve for x
    x = 19,642,242.37/4,757.91
  6. Step 6: Final answer
    x = 4,128.33

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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.