Home / 8,438.31-12,658.68-2,595.42

Finding the Fourth Proportional to 8,438.31, 12,658.68 and 2,595.42

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Solution

The fourth proportional to 8,438.31, 12,658.68 and 2,595.42 is: 3,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.31 : 12,658.68 = 2,595.42 : x
  2. Step 2: Convert to fraction form
    8,438.31/12,658.68 = 2,595.42/x
  3. Step 3: Cross multiply
    8,438.31x = 12,658.68 × 2,595.42
  4. Step 4: Simplify right side
    8,438.31x = 32,854,591.25
  5. Step 5: Solve for x
    x = 32,854,591.25/8,438.31
  6. Step 6: Final answer
    x = 3,893.50

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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.