Home / 8,505.19-12,757.77-2,265.21

Finding the Fourth Proportional to 8,505.19, 12,757.77 and 2,265.21

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Solution

The fourth proportional to 8,505.19, 12,757.77 and 2,265.21 is: 3,397.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.19 : 12,757.77 = 2,265.21 : x
  2. Step 2: Convert to fraction form
    8,505.19/12,757.77 = 2,265.21/x
  3. Step 3: Cross multiply
    8,505.19x = 12,757.77 × 2,265.21
  4. Step 4: Simplify right side
    8,505.19x = 28,899,028.18
  5. Step 5: Solve for x
    x = 28,899,028.18/8,505.19
  6. Step 6: Final answer
    x = 3,397.81

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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.