Home / 6,543.56-9,815.66-2,160.92

Finding the Fourth Proportional to 6,543.56, 9,815.66 and 2,160.92

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Solution

The fourth proportional to 6,543.56, 9,815.66 and 2,160.92 is: 3,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.56 : 9,815.66 = 2,160.92 : x
  2. Step 2: Convert to fraction form
    6,543.56/9,815.66 = 2,160.92/x
  3. Step 3: Cross multiply
    6,543.56x = 9,815.66 × 2,160.92
  4. Step 4: Simplify right side
    6,543.56x = 21,210,856.01
  5. Step 5: Solve for x
    x = 21,210,856.01/6,543.56
  6. Step 6: Final answer
    x = 3,241.49

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1.5x scale

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.