Home / 5,440.50-8,159.61-2,664.38

Finding the Fourth Proportional to 5,440.50, 8,159.61 and 2,664.38

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Solution

The fourth proportional to 5,440.50, 8,159.61 and 2,664.38 is: 3,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.50 : 8,159.61 = 2,664.38 : x
  2. Step 2: Convert to fraction form
    5,440.50/8,159.61 = 2,664.38/x
  3. Step 3: Cross multiply
    5,440.50x = 8,159.61 × 2,664.38
  4. Step 4: Simplify right side
    5,440.50x = 21,740,301.69
  5. Step 5: Solve for x
    x = 21,740,301.69/5,440.50
  6. Step 6: Final answer
    x = 3,996.01

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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.