Home / 8,615.88-12,916.75-3,066.06

Finding the Fourth Proportional to 8,615.88, 12,916.75 and 3,066.06

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Solution

The fourth proportional to 8,615.88, 12,916.75 and 3,066.06 is: 4,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615.88 : 12,916.75 = 3,066.06 : x
  2. Step 2: Convert to fraction form
    8,615.88/12,916.75 = 3,066.06/x
  3. Step 3: Cross multiply
    8,615.88x = 12,916.75 × 3,066.06
  4. Step 4: Simplify right side
    8,615.88x = 39,603,553.63
  5. Step 5: Solve for x
    x = 39,603,553.63/8,615.88
  6. Step 6: Final answer
    x = 4,596.58

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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.