Home / 5,273.10-7,911.02-2,805.89

Finding the Fourth Proportional to 5,273.10, 7,911.02 and 2,805.89

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Solution

The fourth proportional to 5,273.10, 7,911.02 and 2,805.89 is: 4,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.10 : 7,911.02 = 2,805.89 : x
  2. Step 2: Convert to fraction form
    5,273.10/7,911.02 = 2,805.89/x
  3. Step 3: Cross multiply
    5,273.10x = 7,911.02 × 2,805.89
  4. Step 4: Simplify right side
    5,273.10x = 22,197,448.08
  5. Step 5: Solve for x
    x = 22,197,448.08/5,273.10
  6. Step 6: Final answer
    x = 4,209.56

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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.