Home / 4,543.52-6,815.88-1,620.83

Finding the Fourth Proportional to 4,543.52, 6,815.88 and 1,620.83

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Solution

The fourth proportional to 4,543.52, 6,815.88 and 1,620.83 is: 2,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.52 : 6,815.88 = 1,620.83 : x
  2. Step 2: Convert to fraction form
    4,543.52/6,815.88 = 1,620.83/x
  3. Step 3: Cross multiply
    4,543.52x = 6,815.88 × 1,620.83
  4. Step 4: Simplify right side
    4,543.52x = 11,047,399.82
  5. Step 5: Solve for x
    x = 11,047,399.82/4,543.52
  6. Step 6: Final answer
    x = 2,431.47

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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.