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Finding the Fourth Proportional to 8,960.09, 13,440.11 and 2,804.09

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Solution

The fourth proportional to 8,960.09, 13,440.11 and 2,804.09 is: 4,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.09 : 13,440.11 = 2,804.09 : x
  2. Step 2: Convert to fraction form
    8,960.09/13,440.11 = 2,804.09/x
  3. Step 3: Cross multiply
    8,960.09x = 13,440.11 × 2,804.09
  4. Step 4: Simplify right side
    8,960.09x = 37,687,196.83
  5. Step 5: Solve for x
    x = 37,687,196.83/8,960.09
  6. Step 6: Final answer
    x = 4,206.12

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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.