Home / 4,577.45-6,864.56-1,978.97

Finding the Fourth Proportional to 4,577.45, 6,864.56 and 1,978.97

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Solution

The fourth proportional to 4,577.45, 6,864.56 and 1,978.97 is: 2,967.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.45 : 6,864.56 = 1,978.97 : x
  2. Step 2: Convert to fraction form
    4,577.45/6,864.56 = 1,978.97/x
  3. Step 3: Cross multiply
    4,577.45x = 6,864.56 × 1,978.97
  4. Step 4: Simplify right side
    4,577.45x = 13,584,765.57
  5. Step 5: Solve for x
    x = 13,584,765.57/4,577.45
  6. Step 6: Final answer
    x = 2,967.76

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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.