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Finding the Fourth Proportional to 8,376, 11,558.01 and 4,840.35

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Solution

The fourth proportional to 8,376, 11,558.01 and 4,840.35 is: 6,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376 : 11,558.01 = 4,840.35 : x
  2. Step 2: Convert to fraction form
    8,376/11,558.01 = 4,840.35/x
  3. Step 3: Cross multiply
    8,376x = 11,558.01 × 4,840.35
  4. Step 4: Simplify right side
    8,376x = 55,944,813.70
  5. Step 5: Solve for x
    x = 55,944,813.70/8,376
  6. Step 6: Final answer
    x = 6,679.18

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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.