Home / 6,558.72-9,838.80-2,175.84

Finding the Fourth Proportional to 6,558.72, 9,838.80 and 2,175.84

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Solution

The fourth proportional to 6,558.72, 9,838.80 and 2,175.84 is: 3,264.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,558.72 : 9,838.80 = 2,175.84 : x
  2. Step 2: Convert to fraction form
    6,558.72/9,838.80 = 2,175.84/x
  3. Step 3: Cross multiply
    6,558.72x = 9,838.80 × 2,175.84
  4. Step 4: Simplify right side
    6,558.72x = 21,407,654.59
  5. Step 5: Solve for x
    x = 21,407,654.59/6,558.72
  6. Step 6: Final answer
    x = 3,264.00

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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.