Home / 8,515.83-12,773.79-2,672.91

Finding the Fourth Proportional to 8,515.83, 12,773.79 and 2,672.91

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Solution

The fourth proportional to 8,515.83, 12,773.79 and 2,672.91 is: 4,009.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.83 : 12,773.79 = 2,672.91 : x
  2. Step 2: Convert to fraction form
    8,515.83/12,773.79 = 2,672.91/x
  3. Step 3: Cross multiply
    8,515.83x = 12,773.79 × 2,672.91
  4. Step 4: Simplify right side
    8,515.83x = 34,143,191.03
  5. Step 5: Solve for x
    x = 34,143,191.03/8,515.83
  6. Step 6: Final answer
    x = 4,009.38

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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.