Home / 8,438.82-12,659.67-2,595.30

Finding the Fourth Proportional to 8,438.82, 12,659.67 and 2,595.30

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Solution

The fourth proportional to 8,438.82, 12,659.67 and 2,595.30 is: 3,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.82 : 12,659.67 = 2,595.30 : x
  2. Step 2: Convert to fraction form
    8,438.82/12,659.67 = 2,595.30/x
  3. Step 3: Cross multiply
    8,438.82x = 12,659.67 × 2,595.30
  4. Step 4: Simplify right side
    8,438.82x = 32,855,641.55
  5. Step 5: Solve for x
    x = 32,855,641.55/8,438.82
  6. Step 6: Final answer
    x = 3,893.39

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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.