Home / 4,799.47-6,623.37-2,811.46

Finding the Fourth Proportional to 4,799.47, 6,623.37 and 2,811.46

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Solution

The fourth proportional to 4,799.47, 6,623.37 and 2,811.46 is: 3,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.47 : 6,623.37 = 2,811.46 : x
  2. Step 2: Convert to fraction form
    4,799.47/6,623.37 = 2,811.46/x
  3. Step 3: Cross multiply
    4,799.47x = 6,623.37 × 2,811.46
  4. Step 4: Simplify right side
    4,799.47x = 18,621,339.82
  5. Step 5: Solve for x
    x = 18,621,339.82/4,799.47
  6. Step 6: Final answer
    x = 3,879.87

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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.