Home / 8,127.45-12,192.08-4,435.07

Finding the Fourth Proportional to 8,127.45, 12,192.08 and 4,435.07

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Solution

The fourth proportional to 8,127.45, 12,192.08 and 4,435.07 is: 6,653.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.45 : 12,192.08 = 4,435.07 : x
  2. Step 2: Convert to fraction form
    8,127.45/12,192.08 = 4,435.07/x
  3. Step 3: Cross multiply
    8,127.45x = 12,192.08 × 4,435.07
  4. Step 4: Simplify right side
    8,127.45x = 54,072,645.11
  5. Step 5: Solve for x
    x = 54,072,645.11/8,127.45
  6. Step 6: Final answer
    x = 6,653.09

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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.