Home / 7,990.02-11,986.91-2,443.82

Finding the Fourth Proportional to 7,990.02, 11,986.91 and 2,443.82

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Solution

The fourth proportional to 7,990.02, 11,986.91 and 2,443.82 is: 3,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.02 : 11,986.91 = 2,443.82 : x
  2. Step 2: Convert to fraction form
    7,990.02/11,986.91 = 2,443.82/x
  3. Step 3: Cross multiply
    7,990.02x = 11,986.91 × 2,443.82
  4. Step 4: Simplify right side
    7,990.02x = 29,293,787.41
  5. Step 5: Solve for x
    x = 29,293,787.41/7,990.02
  6. Step 6: Final answer
    x = 3,666.30

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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.