Home / 8,515.78-12,775.59-2,593.19

Finding the Fourth Proportional to 8,515.78, 12,775.59 and 2,593.19

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Solution

The fourth proportional to 8,515.78, 12,775.59 and 2,593.19 is: 3,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.78 : 12,775.59 = 2,593.19 : x
  2. Step 2: Convert to fraction form
    8,515.78/12,775.59 = 2,593.19/x
  3. Step 3: Cross multiply
    8,515.78x = 12,775.59 × 2,593.19
  4. Step 4: Simplify right side
    8,515.78x = 33,129,554.45
  5. Step 5: Solve for x
    x = 33,129,554.45/8,515.78
  6. Step 6: Final answer
    x = 3,890.37

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1.5x scale

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.