Home / 6,540.40-9,812.64-2,160.93

Finding the Fourth Proportional to 6,540.40, 9,812.64 and 2,160.93

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Solution

The fourth proportional to 6,540.40, 9,812.64 and 2,160.93 is: 3,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.40 : 9,812.64 = 2,160.93 : x
  2. Step 2: Convert to fraction form
    6,540.40/9,812.64 = 2,160.93/x
  3. Step 3: Cross multiply
    6,540.40x = 9,812.64 × 2,160.93
  4. Step 4: Simplify right side
    6,540.40x = 21,204,473.06
  5. Step 5: Solve for x
    x = 21,204,473.06/6,540.40
  6. Step 6: Final answer
    x = 3,242.08

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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.