Home / 6,331.32-8,728.74-4,440.36

Finding the Fourth Proportional to 6,331.32, 8,728.74 and 4,440.36

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Solution

The fourth proportional to 6,331.32, 8,728.74 and 4,440.36 is: 6,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.32 : 8,728.74 = 4,440.36 : x
  2. Step 2: Convert to fraction form
    6,331.32/8,728.74 = 4,440.36/x
  3. Step 3: Cross multiply
    6,331.32x = 8,728.74 × 4,440.36
  4. Step 4: Simplify right side
    6,331.32x = 38,758,747.95
  5. Step 5: Solve for x
    x = 38,758,747.95/6,331.32
  6. Step 6: Final answer
    x = 6,121.75

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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.