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Finding the Fourth Proportional to 6,564.28, 9,848.04 and 1,947.28

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Solution

The fourth proportional to 6,564.28, 9,848.04 and 1,947.28 is: 2,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,564.28 : 9,848.04 = 1,947.28 : x
  2. Step 2: Convert to fraction form
    6,564.28/9,848.04 = 1,947.28/x
  3. Step 3: Cross multiply
    6,564.28x = 9,848.04 × 1,947.28
  4. Step 4: Simplify right side
    6,564.28x = 19,176,891.33
  5. Step 5: Solve for x
    x = 19,176,891.33/6,564.28
  6. Step 6: Final answer
    x = 2,921.40

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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.