Home / 4,899.79-6,761.85-2,883.36

Finding the Fourth Proportional to 4,899.79, 6,761.85 and 2,883.36

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Solution

The fourth proportional to 4,899.79, 6,761.85 and 2,883.36 is: 3,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.79 : 6,761.85 = 2,883.36 : x
  2. Step 2: Convert to fraction form
    4,899.79/6,761.85 = 2,883.36/x
  3. Step 3: Cross multiply
    4,899.79x = 6,761.85 × 2,883.36
  4. Step 4: Simplify right side
    4,899.79x = 19,496,847.82
  5. Step 5: Solve for x
    x = 19,496,847.82/4,899.79
  6. Step 6: Final answer
    x = 3,979.12

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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.