Home / 7,064.82-9,749.36-3,921.01

Finding the Fourth Proportional to 7,064.82, 9,749.36 and 3,921.01

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Solution

The fourth proportional to 7,064.82, 9,749.36 and 3,921.01 is: 5,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.82 : 9,749.36 = 3,921.01 : x
  2. Step 2: Convert to fraction form
    7,064.82/9,749.36 = 3,921.01/x
  3. Step 3: Cross multiply
    7,064.82x = 9,749.36 × 3,921.01
  4. Step 4: Simplify right side
    7,064.82x = 38,227,323.48
  5. Step 5: Solve for x
    x = 38,227,323.48/7,064.82
  6. Step 6: Final answer
    x = 5,410.94

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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.