Home / 8,929.35-13,375.80-4,235.13

Finding the Fourth Proportional to 8,929.35, 13,375.80 and 4,235.13

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Solution

The fourth proportional to 8,929.35, 13,375.80 and 4,235.13 is: 6,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.35 : 13,375.80 = 4,235.13 : x
  2. Step 2: Convert to fraction form
    8,929.35/13,375.80 = 4,235.13/x
  3. Step 3: Cross multiply
    8,929.35x = 13,375.80 × 4,235.13
  4. Step 4: Simplify right side
    8,929.35x = 56,648,251.85
  5. Step 5: Solve for x
    x = 56,648,251.85/8,929.35
  6. Step 6: Final answer
    x = 6,344.05

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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.