Home / 7,983.79-11,017.97-4,447.00

Finding the Fourth Proportional to 7,983.79, 11,017.97 and 4,447.00

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Solution

The fourth proportional to 7,983.79, 11,017.97 and 4,447.00 is: 6,137.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.79 : 11,017.97 = 4,447.00 : x
  2. Step 2: Convert to fraction form
    7,983.79/11,017.97 = 4,447.00/x
  3. Step 3: Cross multiply
    7,983.79x = 11,017.97 × 4,447.00
  4. Step 4: Simplify right side
    7,983.79x = 48,996,835.27
  5. Step 5: Solve for x
    x = 48,996,835.27/7,983.79
  6. Step 6: Final answer
    x = 6,137.04

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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.