Home / 7,439.25-11,153.07-3,924.66

Finding the Fourth Proportional to 7,439.25, 11,153.07 and 3,924.66

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Solution

The fourth proportional to 7,439.25, 11,153.07 and 3,924.66 is: 5,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.25 : 11,153.07 = 3,924.66 : x
  2. Step 2: Convert to fraction form
    7,439.25/11,153.07 = 3,924.66/x
  3. Step 3: Cross multiply
    7,439.25x = 11,153.07 × 3,924.66
  4. Step 4: Simplify right side
    7,439.25x = 43,772,007.71
  5. Step 5: Solve for x
    x = 43,772,007.71/7,439.25
  6. Step 6: Final answer
    x = 5,883.93

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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.