Home / 8,142.08-12,211.74-2,297.32

Finding the Fourth Proportional to 8,142.08, 12,211.74 and 2,297.32

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Solution

The fourth proportional to 8,142.08, 12,211.74 and 2,297.32 is: 3,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.08 : 12,211.74 = 2,297.32 : x
  2. Step 2: Convert to fraction form
    8,142.08/12,211.74 = 2,297.32/x
  3. Step 3: Cross multiply
    8,142.08x = 12,211.74 × 2,297.32
  4. Step 4: Simplify right side
    8,142.08x = 28,054,274.54
  5. Step 5: Solve for x
    x = 28,054,274.54/8,142.08
  6. Step 6: Final answer
    x = 3,445.59

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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.