Home / 8,157.44-11,257.16-4,621.34

Finding the Fourth Proportional to 8,157.44, 11,257.16 and 4,621.34

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Solution

The fourth proportional to 8,157.44, 11,257.16 and 4,621.34 is: 6,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.44 : 11,257.16 = 4,621.34 : x
  2. Step 2: Convert to fraction form
    8,157.44/11,257.16 = 4,621.34/x
  3. Step 3: Cross multiply
    8,157.44x = 11,257.16 × 4,621.34
  4. Step 4: Simplify right side
    8,157.44x = 52,023,163.79
  5. Step 5: Solve for x
    x = 52,023,163.79/8,157.44
  6. Step 6: Final answer
    x = 6,377.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.