Home / 6,664.16-9,999.84-2,771.28

Finding the Fourth Proportional to 6,664.16, 9,999.84 and 2,771.28

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Solution

The fourth proportional to 6,664.16, 9,999.84 and 2,771.28 is: 4,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.16 : 9,999.84 = 2,771.28 : x
  2. Step 2: Convert to fraction form
    6,664.16/9,999.84 = 2,771.28/x
  3. Step 3: Cross multiply
    6,664.16x = 9,999.84 × 2,771.28
  4. Step 4: Simplify right side
    6,664.16x = 27,712,356.60
  5. Step 5: Solve for x
    x = 27,712,356.60/6,664.16
  6. Step 6: Final answer
    x = 4,158.42

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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.