Home / 4,977.54-6,869.02-2,739.56

Finding the Fourth Proportional to 4,977.54, 6,869.02 and 2,739.56

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Solution

The fourth proportional to 4,977.54, 6,869.02 and 2,739.56 is: 3,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.54 : 6,869.02 = 2,739.56 : x
  2. Step 2: Convert to fraction form
    4,977.54/6,869.02 = 2,739.56/x
  3. Step 3: Cross multiply
    4,977.54x = 6,869.02 × 2,739.56
  4. Step 4: Simplify right side
    4,977.54x = 18,818,092.43
  5. Step 5: Solve for x
    x = 18,818,092.43/4,977.54
  6. Step 6: Final answer
    x = 3,780.60

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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.