Home / 8,861.43-13,291.83-4,179.74

Finding the Fourth Proportional to 8,861.43, 13,291.83 and 4,179.74

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Solution

The fourth proportional to 8,861.43, 13,291.83 and 4,179.74 is: 6,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.43 : 13,291.83 = 4,179.74 : x
  2. Step 2: Convert to fraction form
    8,861.43/13,291.83 = 4,179.74/x
  3. Step 3: Cross multiply
    8,861.43x = 13,291.83 × 4,179.74
  4. Step 4: Simplify right side
    8,861.43x = 55,556,327.07
  5. Step 5: Solve for x
    x = 55,556,327.07/8,861.43
  6. Step 6: Final answer
    x = 6,269.45

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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.