Home / 6,543.54-9,813.90-2,159.96

Finding the Fourth Proportional to 6,543.54, 9,813.90 and 2,159.96

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Solution

The fourth proportional to 6,543.54, 9,813.90 and 2,159.96 is: 3,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.54 : 9,813.90 = 2,159.96 : x
  2. Step 2: Convert to fraction form
    6,543.54/9,813.90 = 2,159.96/x
  3. Step 3: Cross multiply
    6,543.54x = 9,813.90 × 2,159.96
  4. Step 4: Simplify right side
    6,543.54x = 21,197,631.44
  5. Step 5: Solve for x
    x = 21,197,631.44/6,543.54
  6. Step 6: Final answer
    x = 3,239.47

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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.