Home / 8,147.04-11,242.96-4,421.04

Finding the Fourth Proportional to 8,147.04, 11,242.96 and 4,421.04

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Solution

The fourth proportional to 8,147.04, 11,242.96 and 4,421.04 is: 6,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.04 : 11,242.96 = 4,421.04 : x
  2. Step 2: Convert to fraction form
    8,147.04/11,242.96 = 4,421.04/x
  3. Step 3: Cross multiply
    8,147.04x = 11,242.96 × 4,421.04
  4. Step 4: Simplify right side
    8,147.04x = 49,705,575.88
  5. Step 5: Solve for x
    x = 49,705,575.88/8,147.04
  6. Step 6: Final answer
    x = 6,101.06

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.