Home / 8,090.40-12,138.52-2,826.19

Finding the Fourth Proportional to 8,090.40, 12,138.52 and 2,826.19

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Solution

The fourth proportional to 8,090.40, 12,138.52 and 2,826.19 is: 4,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.40 : 12,138.52 = 2,826.19 : x
  2. Step 2: Convert to fraction form
    8,090.40/12,138.52 = 2,826.19/x
  3. Step 3: Cross multiply
    8,090.40x = 12,138.52 × 2,826.19
  4. Step 4: Simplify right side
    8,090.40x = 34,305,759.26
  5. Step 5: Solve for x
    x = 34,305,759.26/8,090.40
  6. Step 6: Final answer
    x = 4,240.30

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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.