Home / 4,653.78-6,425.25-2,887.98

Finding the Fourth Proportional to 4,653.78, 6,425.25 and 2,887.98

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Solution

The fourth proportional to 4,653.78, 6,425.25 and 2,887.98 is: 3,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.78 : 6,425.25 = 2,887.98 : x
  2. Step 2: Convert to fraction form
    4,653.78/6,425.25 = 2,887.98/x
  3. Step 3: Cross multiply
    4,653.78x = 6,425.25 × 2,887.98
  4. Step 4: Simplify right side
    4,653.78x = 18,555,993.50
  5. Step 5: Solve for x
    x = 18,555,993.50/4,653.78
  6. Step 6: Final answer
    x = 3,987.29

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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.