Home / 4,891.51-6,751.09-2,767.98

Finding the Fourth Proportional to 4,891.51, 6,751.09 and 2,767.98

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Solution

The fourth proportional to 4,891.51, 6,751.09 and 2,767.98 is: 3,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.51 : 6,751.09 = 2,767.98 : x
  2. Step 2: Convert to fraction form
    4,891.51/6,751.09 = 2,767.98/x
  3. Step 3: Cross multiply
    4,891.51x = 6,751.09 × 2,767.98
  4. Step 4: Simplify right side
    4,891.51x = 18,686,882.10
  5. Step 5: Solve for x
    x = 18,686,882.10/4,891.51
  6. Step 6: Final answer
    x = 3,820.27

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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.