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Finding the Fourth Proportional to 5,335.52, 7,362.63 and 2,945.01

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Solution

The fourth proportional to 5,335.52, 7,362.63 and 2,945.01 is: 4,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.52 : 7,362.63 = 2,945.01 : x
  2. Step 2: Convert to fraction form
    5,335.52/7,362.63 = 2,945.01/x
  3. Step 3: Cross multiply
    5,335.52x = 7,362.63 × 2,945.01
  4. Step 4: Simplify right side
    5,335.52x = 21,683,018.98
  5. Step 5: Solve for x
    x = 21,683,018.98/5,335.52
  6. Step 6: Final answer
    x = 4,063.90

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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.