Home / 4,922.78-7,384.44-2,001.02

Finding the Fourth Proportional to 4,922.78, 7,384.44 and 2,001.02

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Solution

The fourth proportional to 4,922.78, 7,384.44 and 2,001.02 is: 3,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.78 : 7,384.44 = 2,001.02 : x
  2. Step 2: Convert to fraction form
    4,922.78/7,384.44 = 2,001.02/x
  3. Step 3: Cross multiply
    4,922.78x = 7,384.44 × 2,001.02
  4. Step 4: Simplify right side
    4,922.78x = 14,776,412.13
  5. Step 5: Solve for x
    x = 14,776,412.13/4,922.78
  6. Step 6: Final answer
    x = 3,001.64

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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.