Home / 8,188.18-12,291.81-4,031.62

Finding the Fourth Proportional to 8,188.18, 12,291.81 and 4,031.62

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Solution

The fourth proportional to 8,188.18, 12,291.81 and 4,031.62 is: 6,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.18 : 12,291.81 = 4,031.62 : x
  2. Step 2: Convert to fraction form
    8,188.18/12,291.81 = 4,031.62/x
  3. Step 3: Cross multiply
    8,188.18x = 12,291.81 × 4,031.62
  4. Step 4: Simplify right side
    8,188.18x = 49,555,907.03
  5. Step 5: Solve for x
    x = 49,555,907.03/8,188.18
  6. Step 6: Final answer
    x = 6,052.13

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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.