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Finding the Fourth Proportional to 5,553.52, 7,663.84 and 3,035.63

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Solution

The fourth proportional to 5,553.52, 7,663.84 and 3,035.63 is: 4,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.52 : 7,663.84 = 3,035.63 : x
  2. Step 2: Convert to fraction form
    5,553.52/7,663.84 = 3,035.63/x
  3. Step 3: Cross multiply
    5,553.52x = 7,663.84 × 3,035.63
  4. Step 4: Simplify right side
    5,553.52x = 23,264,611.27
  5. Step 5: Solve for x
    x = 23,264,611.27/5,553.52
  6. Step 6: Final answer
    x = 4,189.16

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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.