Home / 4,899.72-6,761.58-2,803.84

Finding the Fourth Proportional to 4,899.72, 6,761.58 and 2,803.84

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Solution

The fourth proportional to 4,899.72, 6,761.58 and 2,803.84 is: 3,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.72 : 6,761.58 = 2,803.84 : x
  2. Step 2: Convert to fraction form
    4,899.72/6,761.58 = 2,803.84/x
  3. Step 3: Cross multiply
    4,899.72x = 6,761.58 × 2,803.84
  4. Step 4: Simplify right side
    4,899.72x = 18,958,388.47
  5. Step 5: Solve for x
    x = 18,958,388.47/4,899.72
  6. Step 6: Final answer
    x = 3,869.28

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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.