Home / 5,440.86-8,161.76-1,545.26

Finding the Fourth Proportional to 5,440.86, 8,161.76 and 1,545.26

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Solution

The fourth proportional to 5,440.86, 8,161.76 and 1,545.26 is: 2,318.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.86 : 8,161.76 = 1,545.26 : x
  2. Step 2: Convert to fraction form
    5,440.86/8,161.76 = 1,545.26/x
  3. Step 3: Cross multiply
    5,440.86x = 8,161.76 × 1,545.26
  4. Step 4: Simplify right side
    5,440.86x = 12,611,992.72
  5. Step 5: Solve for x
    x = 12,611,992.72/5,440.86
  6. Step 6: Final answer
    x = 2,318.01

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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.