Home / 8,137.74-12,192.66-5,464.32

Finding the Fourth Proportional to 8,137.74, 12,192.66 and 5,464.32

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Solution

The fourth proportional to 8,137.74, 12,192.66 and 5,464.32 is: 8,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.74 : 12,192.66 = 5,464.32 : x
  2. Step 2: Convert to fraction form
    8,137.74/12,192.66 = 5,464.32/x
  3. Step 3: Cross multiply
    8,137.74x = 12,192.66 × 5,464.32
  4. Step 4: Simplify right side
    8,137.74x = 66,624,595.89
  5. Step 5: Solve for x
    x = 66,624,595.89/8,137.74
  6. Step 6: Final answer
    x = 8,187.11

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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.