Home / 7,621.44-11,433.90-3,239.06

Finding the Fourth Proportional to 7,621.44, 11,433.90 and 3,239.06

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Solution

The fourth proportional to 7,621.44, 11,433.90 and 3,239.06 is: 4,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.44 : 11,433.90 = 3,239.06 : x
  2. Step 2: Convert to fraction form
    7,621.44/11,433.90 = 3,239.06/x
  3. Step 3: Cross multiply
    7,621.44x = 11,433.90 × 3,239.06
  4. Step 4: Simplify right side
    7,621.44x = 37,035,088.13
  5. Step 5: Solve for x
    x = 37,035,088.13/7,621.44
  6. Step 6: Final answer
    x = 4,859.33

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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.