Home / 9,721.68-14,582.64-3,874.88

Finding the Fourth Proportional to 9,721.68, 14,582.64 and 3,874.88

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Solution

The fourth proportional to 9,721.68, 14,582.64 and 3,874.88 is: 5,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.68 : 14,582.64 = 3,874.88 : x
  2. Step 2: Convert to fraction form
    9,721.68/14,582.64 = 3,874.88/x
  3. Step 3: Cross multiply
    9,721.68x = 14,582.64 × 3,874.88
  4. Step 4: Simplify right side
    9,721.68x = 56,505,980.08
  5. Step 5: Solve for x
    x = 56,505,980.08/9,721.68
  6. Step 6: Final answer
    x = 5,812.37

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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.