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Finding the Fourth Proportional to 6,394.95, 8,824.81 and 3,599.91

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Solution

The fourth proportional to 6,394.95, 8,824.81 and 3,599.91 is: 4,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.95 : 8,824.81 = 3,599.91 : x
  2. Step 2: Convert to fraction form
    6,394.95/8,824.81 = 3,599.91/x
  3. Step 3: Cross multiply
    6,394.95x = 8,824.81 × 3,599.91
  4. Step 4: Simplify right side
    6,394.95x = 31,768,521.77
  5. Step 5: Solve for x
    x = 31,768,521.77/6,394.95
  6. Step 6: Final answer
    x = 4,967.75

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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.