Home / 8,619.43-12,927.12-5,494.86

Finding the Fourth Proportional to 8,619.43, 12,927.12 and 5,494.86

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Solution

The fourth proportional to 8,619.43, 12,927.12 and 5,494.86 is: 8,241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.43 : 12,927.12 = 5,494.86 : x
  2. Step 2: Convert to fraction form
    8,619.43/12,927.12 = 5,494.86/x
  3. Step 3: Cross multiply
    8,619.43x = 12,927.12 × 5,494.86
  4. Step 4: Simplify right side
    8,619.43x = 71,032,714.60
  5. Step 5: Solve for x
    x = 71,032,714.60/8,619.43
  6. Step 6: Final answer
    x = 8,241.00

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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.