Home / 7,927.40-11,890.16-2,084.47

Finding the Fourth Proportional to 7,927.40, 11,890.16 and 2,084.47

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Solution

The fourth proportional to 7,927.40, 11,890.16 and 2,084.47 is: 3,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.40 : 11,890.16 = 2,084.47 : x
  2. Step 2: Convert to fraction form
    7,927.40/11,890.16 = 2,084.47/x
  3. Step 3: Cross multiply
    7,927.40x = 11,890.16 × 2,084.47
  4. Step 4: Simplify right side
    7,927.40x = 24,784,629.41
  5. Step 5: Solve for x
    x = 24,784,629.41/7,927.40
  6. Step 6: Final answer
    x = 3,126.45

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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.