Home / 6,905.24-9,529.08-3,921.02

Finding the Fourth Proportional to 6,905.24, 9,529.08 and 3,921.02

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Solution

The fourth proportional to 6,905.24, 9,529.08 and 3,921.02 is: 5,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.24 : 9,529.08 = 3,921.02 : x
  2. Step 2: Convert to fraction form
    6,905.24/9,529.08 = 3,921.02/x
  3. Step 3: Cross multiply
    6,905.24x = 9,529.08 × 3,921.02
  4. Step 4: Simplify right side
    6,905.24x = 37,363,713.26
  5. Step 5: Solve for x
    x = 37,363,713.26/6,905.24
  6. Step 6: Final answer
    x = 5,410.92

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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.