Home / 8,550.24-12,823.20-4,387.92

Finding the Fourth Proportional to 8,550.24, 12,823.20 and 4,387.92

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Solution

The fourth proportional to 8,550.24, 12,823.20 and 4,387.92 is: 6,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.24 : 12,823.20 = 4,387.92 : x
  2. Step 2: Convert to fraction form
    8,550.24/12,823.20 = 4,387.92/x
  3. Step 3: Cross multiply
    8,550.24x = 12,823.20 × 4,387.92
  4. Step 4: Simplify right side
    8,550.24x = 56,267,175.74
  5. Step 5: Solve for x
    x = 56,267,175.74/8,550.24
  6. Step 6: Final answer
    x = 6,580.77

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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.