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Finding the Fourth Proportional to 6,545.88, 9,823.95 and 2,653.02

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Solution

The fourth proportional to 6,545.88, 9,823.95 and 2,653.02 is: 3,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.88 : 9,823.95 = 2,653.02 : x
  2. Step 2: Convert to fraction form
    6,545.88/9,823.95 = 2,653.02/x
  3. Step 3: Cross multiply
    6,545.88x = 9,823.95 × 2,653.02
  4. Step 4: Simplify right side
    6,545.88x = 26,063,135.83
  5. Step 5: Solve for x
    x = 26,063,135.83/6,545.88
  6. Step 6: Final answer
    x = 3,981.61

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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.