Home / 5,411.74-8,115.96-2,813.26

Finding the Fourth Proportional to 5,411.74, 8,115.96 and 2,813.26

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Solution

The fourth proportional to 5,411.74, 8,115.96 and 2,813.26 is: 4,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.74 : 8,115.96 = 2,813.26 : x
  2. Step 2: Convert to fraction form
    5,411.74/8,115.96 = 2,813.26/x
  3. Step 3: Cross multiply
    5,411.74x = 8,115.96 × 2,813.26
  4. Step 4: Simplify right side
    5,411.74x = 22,832,305.63
  5. Step 5: Solve for x
    x = 22,832,305.63/5,411.74
  6. Step 6: Final answer
    x = 4,219.03

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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.