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Finding the Fourth Proportional to 7,393.48, 10,200.06 and 4,249

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Solution

The fourth proportional to 7,393.48, 10,200.06 and 4,249 is: 5,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.48 : 10,200.06 = 4,249 : x
  2. Step 2: Convert to fraction form
    7,393.48/10,200.06 = 4,249/x
  3. Step 3: Cross multiply
    7,393.48x = 10,200.06 × 4,249
  4. Step 4: Simplify right side
    7,393.48x = 43,340,054.94
  5. Step 5: Solve for x
    x = 43,340,054.94/7,393.48
  6. Step 6: Final answer
    x = 5,861.93

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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.