Home / 8,789.80-13,208.10-4,844.20

Finding the Fourth Proportional to 8,789.80, 13,208.10 and 4,844.20

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Solution

The fourth proportional to 8,789.80, 13,208.10 and 4,844.20 is: 7,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.80 : 13,208.10 = 4,844.20 : x
  2. Step 2: Convert to fraction form
    8,789.80/13,208.10 = 4,844.20/x
  3. Step 3: Cross multiply
    8,789.80x = 13,208.10 × 4,844.20
  4. Step 4: Simplify right side
    8,789.80x = 63,982,678.02
  5. Step 5: Solve for x
    x = 63,982,678.02/8,789.80
  6. Step 6: Final answer
    x = 7,279.20

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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.