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Finding the Fourth Proportional to 6,602.50, 9,896.93 and 2,218.48

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Solution

The fourth proportional to 6,602.50, 9,896.93 and 2,218.48 is: 3,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.50 : 9,896.93 = 2,218.48 : x
  2. Step 2: Convert to fraction form
    6,602.50/9,896.93 = 2,218.48/x
  3. Step 3: Cross multiply
    6,602.50x = 9,896.93 × 2,218.48
  4. Step 4: Simplify right side
    6,602.50x = 21,956,130.17
  5. Step 5: Solve for x
    x = 21,956,130.17/6,602.50
  6. Step 6: Final answer
    x = 3,325.43

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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.