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Finding the Fourth Proportional to 6,365.82, 8,787.86 and 4,244.90

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Solution

The fourth proportional to 6,365.82, 8,787.86 and 4,244.90 is: 5,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.82 : 8,787.86 = 4,244.90 : x
  2. Step 2: Convert to fraction form
    6,365.82/8,787.86 = 4,244.90/x
  3. Step 3: Cross multiply
    6,365.82x = 8,787.86 × 4,244.90
  4. Step 4: Simplify right side
    6,365.82x = 37,303,586.91
  5. Step 5: Solve for x
    x = 37,303,586.91/6,365.82
  6. Step 6: Final answer
    x = 5,859.98

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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.