Home / 8,007.75-11,990.66-5,655.03

Finding the Fourth Proportional to 8,007.75, 11,990.66 and 5,655.03

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Solution

The fourth proportional to 8,007.75, 11,990.66 and 5,655.03 is: 8,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.75 : 11,990.66 = 5,655.03 : x
  2. Step 2: Convert to fraction form
    8,007.75/11,990.66 = 5,655.03/x
  3. Step 3: Cross multiply
    8,007.75x = 11,990.66 × 5,655.03
  4. Step 4: Simplify right side
    8,007.75x = 67,807,513.74
  5. Step 5: Solve for x
    x = 67,807,513.74/8,007.75
  6. Step 6: Final answer
    x = 8,467.74

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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.