Home / 5,259.32-7,889.34-3,181.64

Finding the Fourth Proportional to 5,259.32, 7,889.34 and 3,181.64

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Solution

The fourth proportional to 5,259.32, 7,889.34 and 3,181.64 is: 4,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.32 : 7,889.34 = 3,181.64 : x
  2. Step 2: Convert to fraction form
    5,259.32/7,889.34 = 3,181.64/x
  3. Step 3: Cross multiply
    5,259.32x = 7,889.34 × 3,181.64
  4. Step 4: Simplify right side
    5,259.32x = 25,101,039.72
  5. Step 5: Solve for x
    x = 25,101,039.72/5,259.32
  6. Step 6: Final answer
    x = 4,772.68

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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.