Home / 8,738.28-13,094.46-6,418.44

Finding the Fourth Proportional to 8,738.28, 13,094.46 and 6,418.44

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Solution

The fourth proportional to 8,738.28, 13,094.46 and 6,418.44 is: 9,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.28 : 13,094.46 = 6,418.44 : x
  2. Step 2: Convert to fraction form
    8,738.28/13,094.46 = 6,418.44/x
  3. Step 3: Cross multiply
    8,738.28x = 13,094.46 × 6,418.44
  4. Step 4: Simplify right side
    8,738.28x = 84,046,005.84
  5. Step 5: Solve for x
    x = 84,046,005.84/8,738.28
  6. Step 6: Final answer
    x = 9,618.14

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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.