Home / 8,363.86-12,543.62-3,972.58

Finding the Fourth Proportional to 8,363.86, 12,543.62 and 3,972.58

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Solution

The fourth proportional to 8,363.86, 12,543.62 and 3,972.58 is: 5,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.86 : 12,543.62 = 3,972.58 : x
  2. Step 2: Convert to fraction form
    8,363.86/12,543.62 = 3,972.58/x
  3. Step 3: Cross multiply
    8,363.86x = 12,543.62 × 3,972.58
  4. Step 4: Simplify right side
    8,363.86x = 49,830,533.94
  5. Step 5: Solve for x
    x = 49,830,533.94/8,363.86
  6. Step 6: Final answer
    x = 5,957.84

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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.