Home / 4,899.80-6,761.73-2,661.68

Finding the Fourth Proportional to 4,899.80, 6,761.73 and 2,661.68

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Solution

The fourth proportional to 4,899.80, 6,761.73 and 2,661.68 is: 3,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.80 : 6,761.73 = 2,661.68 : x
  2. Step 2: Convert to fraction form
    4,899.80/6,761.73 = 2,661.68/x
  3. Step 3: Cross multiply
    4,899.80x = 6,761.73 × 2,661.68
  4. Step 4: Simplify right side
    4,899.80x = 17,997,561.51
  5. Step 5: Solve for x
    x = 17,997,561.51/4,899.80
  6. Step 6: Final answer
    x = 3,673.12

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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.