Home / 9,721.55-14,583.75-4,791.49

Finding the Fourth Proportional to 9,721.55, 14,583.75 and 4,791.49

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Solution

The fourth proportional to 9,721.55, 14,583.75 and 4,791.49 is: 7,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.55 : 14,583.75 = 4,791.49 : x
  2. Step 2: Convert to fraction form
    9,721.55/14,583.75 = 4,791.49/x
  3. Step 3: Cross multiply
    9,721.55x = 14,583.75 × 4,791.49
  4. Step 4: Simplify right side
    9,721.55x = 69,877,837.86
  5. Step 5: Solve for x
    x = 69,877,837.86/9,721.55
  6. Step 6: Final answer
    x = 7,187.93

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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.