Home / 8,389.21-11,574.62-5,999.92

Finding the Fourth Proportional to 8,389.21, 11,574.62 and 5,999.92

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Solution

The fourth proportional to 8,389.21, 11,574.62 and 5,999.92 is: 8,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.21 : 11,574.62 = 5,999.92 : x
  2. Step 2: Convert to fraction form
    8,389.21/11,574.62 = 5,999.92/x
  3. Step 3: Cross multiply
    8,389.21x = 11,574.62 × 5,999.92
  4. Step 4: Simplify right side
    8,389.21x = 69,446,794.03
  5. Step 5: Solve for x
    x = 69,446,794.03/8,389.21
  6. Step 6: Final answer
    x = 8,278.11

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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.