Home / 8,938.35-13,397.49-4,196.84

Finding the Fourth Proportional to 8,938.35, 13,397.49 and 4,196.84

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Solution

The fourth proportional to 8,938.35, 13,397.49 and 4,196.84 is: 6,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.35 : 13,397.49 = 4,196.84 : x
  2. Step 2: Convert to fraction form
    8,938.35/13,397.49 = 4,196.84/x
  3. Step 3: Cross multiply
    8,938.35x = 13,397.49 × 4,196.84
  4. Step 4: Simplify right side
    8,938.35x = 56,227,054.94
  5. Step 5: Solve for x
    x = 56,227,054.94/8,938.35
  6. Step 6: Final answer
    x = 6,290.54

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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.