Home / 4,999.20-6,898.89-2,761.08

Finding the Fourth Proportional to 4,999.20, 6,898.89 and 2,761.08

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Solution

The fourth proportional to 4,999.20, 6,898.89 and 2,761.08 is: 3,810.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.20 : 6,898.89 = 2,761.08 : x
  2. Step 2: Convert to fraction form
    4,999.20/6,898.89 = 2,761.08/x
  3. Step 3: Cross multiply
    4,999.20x = 6,898.89 × 2,761.08
  4. Step 4: Simplify right side
    4,999.20x = 19,048,387.20
  5. Step 5: Solve for x
    x = 19,048,387.20/4,999.20
  6. Step 6: Final answer
    x = 3,810.29

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1.5x scale

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.