Home / 5,439.07-8,157.52-2,664.55

Finding the Fourth Proportional to 5,439.07, 8,157.52 and 2,664.55

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Solution

The fourth proportional to 5,439.07, 8,157.52 and 2,664.55 is: 3,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.07 : 8,157.52 = 2,664.55 : x
  2. Step 2: Convert to fraction form
    5,439.07/8,157.52 = 2,664.55/x
  3. Step 3: Cross multiply
    5,439.07x = 8,157.52 × 2,664.55
  4. Step 4: Simplify right side
    5,439.07x = 21,736,119.92
  5. Step 5: Solve for x
    x = 21,736,119.92/5,439.07
  6. Step 6: Final answer
    x = 3,996.29

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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.