Home / 6,440.04-9,660.06-1,997.60

Finding the Fourth Proportional to 6,440.04, 9,660.06 and 1,997.60

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Solution

The fourth proportional to 6,440.04, 9,660.06 and 1,997.60 is: 2,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.04 : 9,660.06 = 1,997.60 : x
  2. Step 2: Convert to fraction form
    6,440.04/9,660.06 = 1,997.60/x
  3. Step 3: Cross multiply
    6,440.04x = 9,660.06 × 1,997.60
  4. Step 4: Simplify right side
    6,440.04x = 19,296,887.56
  5. Step 5: Solve for x
    x = 19,296,887.56/6,440.04
  6. Step 6: Final answer
    x = 2,996.39

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.