Home / 7,975.06-11,962.56-2,428.40

Finding the Fourth Proportional to 7,975.06, 11,962.56 and 2,428.40

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Solution

The fourth proportional to 7,975.06, 11,962.56 and 2,428.40 is: 3,642.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.06 : 11,962.56 = 2,428.40 : x
  2. Step 2: Convert to fraction form
    7,975.06/11,962.56 = 2,428.40/x
  3. Step 3: Cross multiply
    7,975.06x = 11,962.56 × 2,428.40
  4. Step 4: Simplify right side
    7,975.06x = 29,049,880.70
  5. Step 5: Solve for x
    x = 29,049,880.70/7,975.06
  6. Step 6: Final answer
    x = 3,642.59

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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.