Home / 6,764.02-10,120.51-3,992.20

Finding the Fourth Proportional to 6,764.02, 10,120.51 and 3,992.20

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Solution

The fourth proportional to 6,764.02, 10,120.51 and 3,992.20 is: 5,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.02 : 10,120.51 = 3,992.20 : x
  2. Step 2: Convert to fraction form
    6,764.02/10,120.51 = 3,992.20/x
  3. Step 3: Cross multiply
    6,764.02x = 10,120.51 × 3,992.20
  4. Step 4: Simplify right side
    6,764.02x = 40,403,100.02
  5. Step 5: Solve for x
    x = 40,403,100.02/6,764.02
  6. Step 6: Final answer
    x = 5,973.24

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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.