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Finding the Fourth Proportional to 6,557.69, 9,836.62 and 4,350.66

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Solution

The fourth proportional to 6,557.69, 9,836.62 and 4,350.66 is: 6,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.69 : 9,836.62 = 4,350.66 : x
  2. Step 2: Convert to fraction form
    6,557.69/9,836.62 = 4,350.66/x
  3. Step 3: Cross multiply
    6,557.69x = 9,836.62 × 4,350.66
  4. Step 4: Simplify right side
    6,557.69x = 42,795,789.17
  5. Step 5: Solve for x
    x = 42,795,789.17/6,557.69
  6. Step 6: Final answer
    x = 6,526.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.