Home / 4,923.80-6,796.13-2,800.57

Finding the Fourth Proportional to 4,923.80, 6,796.13 and 2,800.57

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Solution

The fourth proportional to 4,923.80, 6,796.13 and 2,800.57 is: 3,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.80 : 6,796.13 = 2,800.57 : x
  2. Step 2: Convert to fraction form
    4,923.80/6,796.13 = 2,800.57/x
  3. Step 3: Cross multiply
    4,923.80x = 6,796.13 × 2,800.57
  4. Step 4: Simplify right side
    4,923.80x = 19,033,037.79
  5. Step 5: Solve for x
    x = 19,033,037.79/4,923.80
  6. Step 6: Final answer
    x = 3,865.52

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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.