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Finding the Fourth Proportional to 8,545.69, 11,793.03 and 4,768.81

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Solution

The fourth proportional to 8,545.69, 11,793.03 and 4,768.81 is: 6,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.69 : 11,793.03 = 4,768.81 : x
  2. Step 2: Convert to fraction form
    8,545.69/11,793.03 = 4,768.81/x
  3. Step 3: Cross multiply
    8,545.69x = 11,793.03 × 4,768.81
  4. Step 4: Simplify right side
    8,545.69x = 56,238,747.31
  5. Step 5: Solve for x
    x = 56,238,747.31/8,545.69
  6. Step 6: Final answer
    x = 6,580.95

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1.5x scale

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.