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Finding the Fourth Proportional to 4,391.52, 6,579.84 and 2,656.50

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Solution

The fourth proportional to 4,391.52, 6,579.84 and 2,656.50 is: 3,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.52 : 6,579.84 = 2,656.50 : x
  2. Step 2: Convert to fraction form
    4,391.52/6,579.84 = 2,656.50/x
  3. Step 3: Cross multiply
    4,391.52x = 6,579.84 × 2,656.50
  4. Step 4: Simplify right side
    4,391.52x = 17,479,344.96
  5. Step 5: Solve for x
    x = 17,479,344.96/4,391.52
  6. Step 6: Final answer
    x = 3,980.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.