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Finding the Fourth Proportional to 7,498.42, 11,241.42 and 4,370.74

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Solution

The fourth proportional to 7,498.42, 11,241.42 and 4,370.74 is: 6,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.42 : 11,241.42 = 4,370.74 : x
  2. Step 2: Convert to fraction form
    7,498.42/11,241.42 = 4,370.74/x
  3. Step 3: Cross multiply
    7,498.42x = 11,241.42 × 4,370.74
  4. Step 4: Simplify right side
    7,498.42x = 49,133,324.05
  5. Step 5: Solve for x
    x = 49,133,324.05/7,498.42
  6. Step 6: Final answer
    x = 6,552.49

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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.