Home / 8,289.73-12,434.60-4,134.89

Finding the Fourth Proportional to 8,289.73, 12,434.60 and 4,134.89

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Solution

The fourth proportional to 8,289.73, 12,434.60 and 4,134.89 is: 6,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.73 : 12,434.60 = 4,134.89 : x
  2. Step 2: Convert to fraction form
    8,289.73/12,434.60 = 4,134.89/x
  3. Step 3: Cross multiply
    8,289.73x = 12,434.60 × 4,134.89
  4. Step 4: Simplify right side
    8,289.73x = 51,415,703.19
  5. Step 5: Solve for x
    x = 51,415,703.19/8,289.73
  6. Step 6: Final answer
    x = 6,202.34

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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.