Home / 7,772.14-11,666.41-4,262.01

Finding the Fourth Proportional to 7,772.14, 11,666.41 and 4,262.01

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Solution

The fourth proportional to 7,772.14, 11,666.41 and 4,262.01 is: 6,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.14 : 11,666.41 = 4,262.01 : x
  2. Step 2: Convert to fraction form
    7,772.14/11,666.41 = 4,262.01/x
  3. Step 3: Cross multiply
    7,772.14x = 11,666.41 × 4,262.01
  4. Step 4: Simplify right side
    7,772.14x = 49,722,356.08
  5. Step 5: Solve for x
    x = 49,722,356.08/7,772.14
  6. Step 6: Final answer
    x = 6,397.51

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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.