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Finding the Fourth Proportional to 4,863.34, 7,257.05 and 4,339.73

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Solution

The fourth proportional to 4,863.34, 7,257.05 and 4,339.73 is: 6,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.34 : 7,257.05 = 4,339.73 : x
  2. Step 2: Convert to fraction form
    4,863.34/7,257.05 = 4,339.73/x
  3. Step 3: Cross multiply
    4,863.34x = 7,257.05 × 4,339.73
  4. Step 4: Simplify right side
    4,863.34x = 31,493,637.60
  5. Step 5: Solve for x
    x = 31,493,637.60/4,863.34
  6. Step 6: Final answer
    x = 6,475.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.