Home / 4,999.20-6,898.71-2,760.96

Finding the Fourth Proportional to 4,999.20, 6,898.71 and 2,760.96

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Solution

The fourth proportional to 4,999.20, 6,898.71 and 2,760.96 is: 3,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.20 : 6,898.71 = 2,760.96 : x
  2. Step 2: Convert to fraction form
    4,999.20/6,898.71 = 2,760.96/x
  3. Step 3: Cross multiply
    4,999.20x = 6,898.71 × 2,760.96
  4. Step 4: Simplify right side
    4,999.20x = 19,047,062.36
  5. Step 5: Solve for x
    x = 19,047,062.36/4,999.20
  6. Step 6: Final answer
    x = 3,810.02

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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.