Home / 7,975.93-11,965.62-2,429.12

Finding the Fourth Proportional to 7,975.93, 11,965.62 and 2,429.12

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Solution

The fourth proportional to 7,975.93, 11,965.62 and 2,429.12 is: 3,644.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.93 : 11,965.62 = 2,429.12 : x
  2. Step 2: Convert to fraction form
    7,975.93/11,965.62 = 2,429.12/x
  3. Step 3: Cross multiply
    7,975.93x = 11,965.62 × 2,429.12
  4. Step 4: Simplify right side
    7,975.93x = 29,065,914.71
  5. Step 5: Solve for x
    x = 29,065,914.71/7,975.93
  6. Step 6: Final answer
    x = 3,644.21

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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.