Home / 8,734.46-12,054.68-5,379.44

Finding the Fourth Proportional to 8,734.46, 12,054.68 and 5,379.44

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Solution

The fourth proportional to 8,734.46, 12,054.68 and 5,379.44 is: 7,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.46 : 12,054.68 = 5,379.44 : x
  2. Step 2: Convert to fraction form
    8,734.46/12,054.68 = 5,379.44/x
  3. Step 3: Cross multiply
    8,734.46x = 12,054.68 × 5,379.44
  4. Step 4: Simplify right side
    8,734.46x = 64,847,427.78
  5. Step 5: Solve for x
    x = 64,847,427.78/8,734.46
  6. Step 6: Final answer
    x = 7,424.32

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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.