Home / 8,737.35-13,108.71-5,231.31

Finding the Fourth Proportional to 8,737.35, 13,108.71 and 5,231.31

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Solution

The fourth proportional to 8,737.35, 13,108.71 and 5,231.31 is: 7,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.35 : 13,108.71 = 5,231.31 : x
  2. Step 2: Convert to fraction form
    8,737.35/13,108.71 = 5,231.31/x
  3. Step 3: Cross multiply
    8,737.35x = 13,108.71 × 5,231.31
  4. Step 4: Simplify right side
    8,737.35x = 68,575,725.71
  5. Step 5: Solve for x
    x = 68,575,725.71/8,737.35
  6. Step 6: Final answer
    x = 7,848.57

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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.