Home / 6,712.88-9,263.77-3,728.84

Finding the Fourth Proportional to 6,712.88, 9,263.77 and 3,728.84

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Solution

The fourth proportional to 6,712.88, 9,263.77 and 3,728.84 is: 5,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.88 : 9,263.77 = 3,728.84 : x
  2. Step 2: Convert to fraction form
    6,712.88/9,263.77 = 3,728.84/x
  3. Step 3: Cross multiply
    6,712.88x = 9,263.77 × 3,728.84
  4. Step 4: Simplify right side
    6,712.88x = 34,543,060.49
  5. Step 5: Solve for x
    x = 34,543,060.49/6,712.88
  6. Step 6: Final answer
    x = 5,145.79

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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.