Home / 9,721.14-14,583.60-3,877.80

Finding the Fourth Proportional to 9,721.14, 14,583.60 and 3,877.80

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Solution

The fourth proportional to 9,721.14, 14,583.60 and 3,877.80 is: 5,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.14 : 14,583.60 = 3,877.80 : x
  2. Step 2: Convert to fraction form
    9,721.14/14,583.60 = 3,877.80/x
  3. Step 3: Cross multiply
    9,721.14x = 14,583.60 × 3,877.80
  4. Step 4: Simplify right side
    9,721.14x = 56,552,284.08
  5. Step 5: Solve for x
    x = 56,552,284.08/9,721.14
  6. Step 6: Final answer
    x = 5,817.45

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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.