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Finding the Fourth Proportional to 6,377.63, 8,801.12 and 3,583.67

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Solution

The fourth proportional to 6,377.63, 8,801.12 and 3,583.67 is: 4,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.63 : 8,801.12 = 3,583.67 : x
  2. Step 2: Convert to fraction form
    6,377.63/8,801.12 = 3,583.67/x
  3. Step 3: Cross multiply
    6,377.63x = 8,801.12 × 3,583.67
  4. Step 4: Simplify right side
    6,377.63x = 31,540,274.66
  5. Step 5: Solve for x
    x = 31,540,274.66/6,377.63
  6. Step 6: Final answer
    x = 4,945.46

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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.