Home / 8,135.52-12,189.35-4,440.34

Finding the Fourth Proportional to 8,135.52, 12,189.35 and 4,440.34

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Solution

The fourth proportional to 8,135.52, 12,189.35 and 4,440.34 is: 6,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.52 : 12,189.35 = 4,440.34 : x
  2. Step 2: Convert to fraction form
    8,135.52/12,189.35 = 4,440.34/x
  3. Step 3: Cross multiply
    8,135.52x = 12,189.35 × 4,440.34
  4. Step 4: Simplify right side
    8,135.52x = 54,124,904.09
  5. Step 5: Solve for x
    x = 54,124,904.09/8,135.52
  6. Step 6: Final answer
    x = 6,652.91

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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.