Home / 8,844.70-13,249.69-5,139.18

Finding the Fourth Proportional to 8,844.70, 13,249.69 and 5,139.18

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Solution

The fourth proportional to 8,844.70, 13,249.69 and 5,139.18 is: 7,698.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,844.70 : 13,249.69 = 5,139.18 : x
  2. Step 2: Convert to fraction form
    8,844.70/13,249.69 = 5,139.18/x
  3. Step 3: Cross multiply
    8,844.70x = 13,249.69 × 5,139.18
  4. Step 4: Simplify right side
    8,844.70x = 68,092,541.85
  5. Step 5: Solve for x
    x = 68,092,541.85/8,844.70
  6. Step 6: Final answer
    x = 7,698.68

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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.