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Finding the Fourth Proportional to 6,545.01, 9,029.10 and 3,890.91

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Solution

The fourth proportional to 6,545.01, 9,029.10 and 3,890.91 is: 5,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.01 : 9,029.10 = 3,890.91 : x
  2. Step 2: Convert to fraction form
    6,545.01/9,029.10 = 3,890.91/x
  3. Step 3: Cross multiply
    6,545.01x = 9,029.10 × 3,890.91
  4. Step 4: Simplify right side
    6,545.01x = 35,131,415.48
  5. Step 5: Solve for x
    x = 35,131,415.48/6,545.01
  6. Step 6: Final answer
    x = 5,367.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.