Home / 8,370.90-12,558.42-5,910.54

Finding the Fourth Proportional to 8,370.90, 12,558.42 and 5,910.54

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Solution

The fourth proportional to 8,370.90, 12,558.42 and 5,910.54 is: 8,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.90 : 12,558.42 = 5,910.54 : x
  2. Step 2: Convert to fraction form
    8,370.90/12,558.42 = 5,910.54/x
  3. Step 3: Cross multiply
    8,370.90x = 12,558.42 × 5,910.54
  4. Step 4: Simplify right side
    8,370.90x = 74,227,043.75
  5. Step 5: Solve for x
    x = 74,227,043.75/8,370.90
  6. Step 6: Final answer
    x = 8,867.27

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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.