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Finding the Fourth Proportional to 4,543, 6,268.80 and 2,655.04

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Solution

The fourth proportional to 4,543, 6,268.80 and 2,655.04 is: 3,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543 : 6,268.80 = 2,655.04 : x
  2. Step 2: Convert to fraction form
    4,543/6,268.80 = 2,655.04/x
  3. Step 3: Cross multiply
    4,543x = 6,268.80 × 2,655.04
  4. Step 4: Simplify right side
    4,543x = 16,643,914.75
  5. Step 5: Solve for x
    x = 16,643,914.75/4,543
  6. Step 6: Final answer
    x = 3,663.64

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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.