Home / 8,728.32-13,094.92-2,889.04

Finding the Fourth Proportional to 8,728.32, 13,094.92 and 2,889.04

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Solution

The fourth proportional to 8,728.32, 13,094.92 and 2,889.04 is: 4,334.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.32 : 13,094.92 = 2,889.04 : x
  2. Step 2: Convert to fraction form
    8,728.32/13,094.92 = 2,889.04/x
  3. Step 3: Cross multiply
    8,728.32x = 13,094.92 × 2,889.04
  4. Step 4: Simplify right side
    8,728.32x = 37,831,747.68
  5. Step 5: Solve for x
    x = 37,831,747.68/8,728.32
  6. Step 6: Final answer
    x = 4,334.37

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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.