Home / 9,427.73-14,136.76-4,987.79

Finding the Fourth Proportional to 9,427.73, 14,136.76 and 4,987.79

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Solution

The fourth proportional to 9,427.73, 14,136.76 and 4,987.79 is: 7,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.73 : 14,136.76 = 4,987.79 : x
  2. Step 2: Convert to fraction form
    9,427.73/14,136.76 = 4,987.79/x
  3. Step 3: Cross multiply
    9,427.73x = 14,136.76 × 4,987.79
  4. Step 4: Simplify right side
    9,427.73x = 70,511,190.16
  5. Step 5: Solve for x
    x = 70,511,190.16/9,427.73
  6. Step 6: Final answer
    x = 7,479.13

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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.