Home / 4,899.09-6,760.79-2,661.00

Finding the Fourth Proportional to 4,899.09, 6,760.79 and 2,661.00

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Solution

The fourth proportional to 4,899.09, 6,760.79 and 2,661.00 is: 3,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.09 : 6,760.79 = 2,661.00 : x
  2. Step 2: Convert to fraction form
    4,899.09/6,760.79 = 2,661.00/x
  3. Step 3: Cross multiply
    4,899.09x = 6,760.79 × 2,661.00
  4. Step 4: Simplify right side
    4,899.09x = 17,990,490.55
  5. Step 5: Solve for x
    x = 17,990,490.55/4,899.09
  6. Step 6: Final answer
    x = 3,672.21

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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.