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Finding the Fourth Proportional to 4,487.22, 6,741.81 and 4,238.55

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Solution

The fourth proportional to 4,487.22, 6,741.81 and 4,238.55 is: 6,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.22 : 6,741.81 = 4,238.55 : x
  2. Step 2: Convert to fraction form
    4,487.22/6,741.81 = 4,238.55/x
  3. Step 3: Cross multiply
    4,487.22x = 6,741.81 × 4,238.55
  4. Step 4: Simplify right side
    4,487.22x = 28,575,498.78
  5. Step 5: Solve for x
    x = 28,575,498.78/4,487.22
  6. Step 6: Final answer
    x = 6,368.20

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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.