Home / 8,910.86-13,359.18-4,228.52

Finding the Fourth Proportional to 8,910.86, 13,359.18 and 4,228.52

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Solution

The fourth proportional to 8,910.86, 13,359.18 and 4,228.52 is: 6,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.86 : 13,359.18 = 4,228.52 : x
  2. Step 2: Convert to fraction form
    8,910.86/13,359.18 = 4,228.52/x
  3. Step 3: Cross multiply
    8,910.86x = 13,359.18 × 4,228.52
  4. Step 4: Simplify right side
    8,910.86x = 56,489,559.81
  5. Step 5: Solve for x
    x = 56,489,559.81/8,910.86
  6. Step 6: Final answer
    x = 6,339.41

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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.