Home / 4,921.02-6,790.40-2,795.80

Finding the Fourth Proportional to 4,921.02, 6,790.40 and 2,795.80

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Solution

The fourth proportional to 4,921.02, 6,790.40 and 2,795.80 is: 3,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.02 : 6,790.40 = 2,795.80 : x
  2. Step 2: Convert to fraction form
    4,921.02/6,790.40 = 2,795.80/x
  3. Step 3: Cross multiply
    4,921.02x = 6,790.40 × 2,795.80
  4. Step 4: Simplify right side
    4,921.02x = 18,984,600.32
  5. Step 5: Solve for x
    x = 18,984,600.32/4,921.02
  6. Step 6: Final answer
    x = 3,857.86

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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.