Home / 8,945.03-13,417.55-2,789.03

Finding the Fourth Proportional to 8,945.03, 13,417.55 and 2,789.03

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Solution

The fourth proportional to 8,945.03, 13,417.55 and 2,789.03 is: 4,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.03 : 13,417.55 = 2,789.03 : x
  2. Step 2: Convert to fraction form
    8,945.03/13,417.55 = 2,789.03/x
  3. Step 3: Cross multiply
    8,945.03x = 13,417.55 × 2,789.03
  4. Step 4: Simplify right side
    8,945.03x = 37,421,949.48
  5. Step 5: Solve for x
    x = 37,421,949.48/8,945.03
  6. Step 6: Final answer
    x = 4,183.55

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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.