Home / 6,711.02-9,261.67-3,879.34

Finding the Fourth Proportional to 6,711.02, 9,261.67 and 3,879.34

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Solution

The fourth proportional to 6,711.02, 9,261.67 and 3,879.34 is: 5,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.02 : 9,261.67 = 3,879.34 : x
  2. Step 2: Convert to fraction form
    6,711.02/9,261.67 = 3,879.34/x
  3. Step 3: Cross multiply
    6,711.02x = 9,261.67 × 3,879.34
  4. Step 4: Simplify right side
    6,711.02x = 35,929,166.90
  5. Step 5: Solve for x
    x = 35,929,166.90/6,711.02
  6. Step 6: Final answer
    x = 5,353.76

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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.