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Finding the Fourth Proportional to 6,393.03, 8,856.59 and 6,239.94

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Solution

The fourth proportional to 6,393.03, 8,856.59 and 6,239.94 is: 8,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.03 : 8,856.59 = 6,239.94 : x
  2. Step 2: Convert to fraction form
    6,393.03/8,856.59 = 6,239.94/x
  3. Step 3: Cross multiply
    6,393.03x = 8,856.59 × 6,239.94
  4. Step 4: Simplify right side
    6,393.03x = 55,264,560.89
  5. Step 5: Solve for x
    x = 55,264,560.89/6,393.03
  6. Step 6: Final answer
    x = 8,644.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.