Home / 8,515.89-12,773.40-2,592.51

Finding the Fourth Proportional to 8,515.89, 12,773.40 and 2,592.51

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Solution

The fourth proportional to 8,515.89, 12,773.40 and 2,592.51 is: 3,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.89 : 12,773.40 = 2,592.51 : x
  2. Step 2: Convert to fraction form
    8,515.89/12,773.40 = 2,592.51/x
  3. Step 3: Cross multiply
    8,515.89x = 12,773.40 × 2,592.51
  4. Step 4: Simplify right side
    8,515.89x = 33,115,167.23
  5. Step 5: Solve for x
    x = 33,115,167.23/8,515.89
  6. Step 6: Final answer
    x = 3,888.63

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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.