Home / 6,872.77-9,484.43-3,728.95

Finding the Fourth Proportional to 6,872.77, 9,484.43 and 3,728.95

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Solution

The fourth proportional to 6,872.77, 9,484.43 and 3,728.95 is: 5,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.77 : 9,484.43 = 3,728.95 : x
  2. Step 2: Convert to fraction form
    6,872.77/9,484.43 = 3,728.95/x
  3. Step 3: Cross multiply
    6,872.77x = 9,484.43 × 3,728.95
  4. Step 4: Simplify right side
    6,872.77x = 35,366,976.24
  5. Step 5: Solve for x
    x = 35,366,976.24/6,872.77
  6. Step 6: Final answer
    x = 5,145.96

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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.