Home / 4,977.52-6,869.34-2,739.49

Finding the Fourth Proportional to 4,977.52, 6,869.34 and 2,739.49

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Solution

The fourth proportional to 4,977.52, 6,869.34 and 2,739.49 is: 3,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.52 : 6,869.34 = 2,739.49 : x
  2. Step 2: Convert to fraction form
    4,977.52/6,869.34 = 2,739.49/x
  3. Step 3: Cross multiply
    4,977.52x = 6,869.34 × 2,739.49
  4. Step 4: Simplify right side
    4,977.52x = 18,818,471.06
  5. Step 5: Solve for x
    x = 18,818,471.06/4,977.52
  6. Step 6: Final answer
    x = 3,780.69

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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.