Home / 4,889.87-6,747.84-2,899.25

Finding the Fourth Proportional to 4,889.87, 6,747.84 and 2,899.25

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Solution

The fourth proportional to 4,889.87, 6,747.84 and 2,899.25 is: 4,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.87 : 6,747.84 = 2,899.25 : x
  2. Step 2: Convert to fraction form
    4,889.87/6,747.84 = 2,899.25/x
  3. Step 3: Cross multiply
    4,889.87x = 6,747.84 × 2,899.25
  4. Step 4: Simplify right side
    4,889.87x = 19,563,675.12
  5. Step 5: Solve for x
    x = 19,563,675.12/4,889.87
  6. Step 6: Final answer
    x = 4,000.86

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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.