Home / 7,990.29-11,983.08-3,059.55

Finding the Fourth Proportional to 7,990.29, 11,983.08 and 3,059.55

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Solution

The fourth proportional to 7,990.29, 11,983.08 and 3,059.55 is: 4,588.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.29 : 11,983.08 = 3,059.55 : x
  2. Step 2: Convert to fraction form
    7,990.29/11,983.08 = 3,059.55/x
  3. Step 3: Cross multiply
    7,990.29x = 11,983.08 × 3,059.55
  4. Step 4: Simplify right side
    7,990.29x = 36,662,832.41
  5. Step 5: Solve for x
    x = 36,662,832.41/7,990.29
  6. Step 6: Final answer
    x = 4,588.42

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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.