Home / 6,545.64-9,812.31-2,160.71

Finding the Fourth Proportional to 6,545.64, 9,812.31 and 2,160.71

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Solution

The fourth proportional to 6,545.64, 9,812.31 and 2,160.71 is: 3,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.64 : 9,812.31 = 2,160.71 : x
  2. Step 2: Convert to fraction form
    6,545.64/9,812.31 = 2,160.71/x
  3. Step 3: Cross multiply
    6,545.64x = 9,812.31 × 2,160.71
  4. Step 4: Simplify right side
    6,545.64x = 21,201,507.28
  5. Step 5: Solve for x
    x = 21,201,507.28/6,545.64
  6. Step 6: Final answer
    x = 3,239.03

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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.