Home / 9,079.20-13,623.03-5,388.69

Finding the Fourth Proportional to 9,079.20, 13,623.03 and 5,388.69

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Solution

The fourth proportional to 9,079.20, 13,623.03 and 5,388.69 is: 8,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.20 : 13,623.03 = 5,388.69 : x
  2. Step 2: Convert to fraction form
    9,079.20/13,623.03 = 5,388.69/x
  3. Step 3: Cross multiply
    9,079.20x = 13,623.03 × 5,388.69
  4. Step 4: Simplify right side
    9,079.20x = 73,410,285.53
  5. Step 5: Solve for x
    x = 73,410,285.53/9,079.20
  6. Step 6: Final answer
    x = 8,085.55

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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.