Home / 5,021.42-6,929.30-2,783.30

Finding the Fourth Proportional to 5,021.42, 6,929.30 and 2,783.30

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Solution

The fourth proportional to 5,021.42, 6,929.30 and 2,783.30 is: 3,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.42 : 6,929.30 = 2,783.30 : x
  2. Step 2: Convert to fraction form
    5,021.42/6,929.30 = 2,783.30/x
  3. Step 3: Cross multiply
    5,021.42x = 6,929.30 × 2,783.30
  4. Step 4: Simplify right side
    5,021.42x = 19,286,293.00
  5. Step 5: Solve for x
    x = 19,286,293.00/5,021.42
  6. Step 6: Final answer
    x = 3,840.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.