Home / 8,603.24-12,908.10-3,983

Finding the Fourth Proportional to 8,603.24, 12,908.10 and 3,983

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Solution

The fourth proportional to 8,603.24, 12,908.10 and 3,983 is: 5,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.24 : 12,908.10 = 3,983 : x
  2. Step 2: Convert to fraction form
    8,603.24/12,908.10 = 3,983/x
  3. Step 3: Cross multiply
    8,603.24x = 12,908.10 × 3,983
  4. Step 4: Simplify right side
    8,603.24x = 51,412,962.30
  5. Step 5: Solve for x
    x = 51,412,962.30/8,603.24
  6. Step 6: Final answer
    x = 5,976.00

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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.