Home / 4,797.70-6,620.74-2,808.34

Finding the Fourth Proportional to 4,797.70, 6,620.74 and 2,808.34

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Solution

The fourth proportional to 4,797.70, 6,620.74 and 2,808.34 is: 3,875.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.70 : 6,620.74 = 2,808.34 : x
  2. Step 2: Convert to fraction form
    4,797.70/6,620.74 = 2,808.34/x
  3. Step 3: Cross multiply
    4,797.70x = 6,620.74 × 2,808.34
  4. Step 4: Simplify right side
    4,797.70x = 18,593,288.97
  5. Step 5: Solve for x
    x = 18,593,288.97/4,797.70
  6. Step 6: Final answer
    x = 3,875.46

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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.