Home / 8,913.61-13,367.34-4,231

Finding the Fourth Proportional to 8,913.61, 13,367.34 and 4,231

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Solution

The fourth proportional to 8,913.61, 13,367.34 and 4,231 is: 6,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.61 : 13,367.34 = 4,231 : x
  2. Step 2: Convert to fraction form
    8,913.61/13,367.34 = 4,231/x
  3. Step 3: Cross multiply
    8,913.61x = 13,367.34 × 4,231
  4. Step 4: Simplify right side
    8,913.61x = 56,557,215.54
  5. Step 5: Solve for x
    x = 56,557,215.54/8,913.61
  6. Step 6: Final answer
    x = 6,345.04

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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.