Home / 6,781.24-10,171.86-1,851.01

Finding the Fourth Proportional to 6,781.24, 10,171.86 and 1,851.01

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Solution

The fourth proportional to 6,781.24, 10,171.86 and 1,851.01 is: 2,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.24 : 10,171.86 = 1,851.01 : x
  2. Step 2: Convert to fraction form
    6,781.24/10,171.86 = 1,851.01/x
  3. Step 3: Cross multiply
    6,781.24x = 10,171.86 × 1,851.01
  4. Step 4: Simplify right side
    6,781.24x = 18,828,229.61
  5. Step 5: Solve for x
    x = 18,828,229.61/6,781.24
  6. Step 6: Final answer
    x = 2,776.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.