Home / 8,749.98-13,127.34-2,907

Finding the Fourth Proportional to 8,749.98, 13,127.34 and 2,907

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Solution

The fourth proportional to 8,749.98, 13,127.34 and 2,907 is: 4,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.98 : 13,127.34 = 2,907 : x
  2. Step 2: Convert to fraction form
    8,749.98/13,127.34 = 2,907/x
  3. Step 3: Cross multiply
    8,749.98x = 13,127.34 × 2,907
  4. Step 4: Simplify right side
    8,749.98x = 38,161,177.38
  5. Step 5: Solve for x
    x = 38,161,177.38/8,749.98
  6. Step 6: Final answer
    x = 4,361.29

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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.