Home / 8,938.90-13,397.01-4,008.34

Finding the Fourth Proportional to 8,938.90, 13,397.01 and 4,008.34

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Solution

The fourth proportional to 8,938.90, 13,397.01 and 4,008.34 is: 6,007.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.90 : 13,397.01 = 4,008.34 : x
  2. Step 2: Convert to fraction form
    8,938.90/13,397.01 = 4,008.34/x
  3. Step 3: Cross multiply
    8,938.90x = 13,397.01 × 4,008.34
  4. Step 4: Simplify right side
    8,938.90x = 53,699,771.06
  5. Step 5: Solve for x
    x = 53,699,771.06/8,938.90
  6. Step 6: Final answer
    x = 6,007.42

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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.