Home / 5,021.35-6,929.11-2,783.02

Finding the Fourth Proportional to 5,021.35, 6,929.11 and 2,783.02

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Solution

The fourth proportional to 5,021.35, 6,929.11 and 2,783.02 is: 3,840.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.35 : 6,929.11 = 2,783.02 : x
  2. Step 2: Convert to fraction form
    5,021.35/6,929.11 = 2,783.02/x
  3. Step 3: Cross multiply
    5,021.35x = 6,929.11 × 2,783.02
  4. Step 4: Simplify right side
    5,021.35x = 19,283,851.71
  5. Step 5: Solve for x
    x = 19,283,851.71/5,021.35
  6. Step 6: Final answer
    x = 3,840.37

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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.