Home / 5,371.21-8,051.43-2,555.09

Finding the Fourth Proportional to 5,371.21, 8,051.43 and 2,555.09

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Solution

The fourth proportional to 5,371.21, 8,051.43 and 2,555.09 is: 3,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.21 : 8,051.43 = 2,555.09 : x
  2. Step 2: Convert to fraction form
    5,371.21/8,051.43 = 2,555.09/x
  3. Step 3: Cross multiply
    5,371.21x = 8,051.43 × 2,555.09
  4. Step 4: Simplify right side
    5,371.21x = 20,572,128.28
  5. Step 5: Solve for x
    x = 20,572,128.28/5,371.21
  6. Step 6: Final answer
    x = 3,830.07

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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.