Home / 5,426.82-8,140.77-1,531.26

Finding the Fourth Proportional to 5,426.82, 8,140.77 and 1,531.26

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Solution

The fourth proportional to 5,426.82, 8,140.77 and 1,531.26 is: 2,297.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.82 : 8,140.77 = 1,531.26 : x
  2. Step 2: Convert to fraction form
    5,426.82/8,140.77 = 1,531.26/x
  3. Step 3: Cross multiply
    5,426.82x = 8,140.77 × 1,531.26
  4. Step 4: Simplify right side
    5,426.82x = 12,465,635.47
  5. Step 5: Solve for x
    x = 12,465,635.47/5,426.82
  6. Step 6: Final answer
    x = 2,297.04

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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.