Home / 4,887.81-6,745.10-2,763.31

Finding the Fourth Proportional to 4,887.81, 6,745.10 and 2,763.31

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Solution

The fourth proportional to 4,887.81, 6,745.10 and 2,763.31 is: 3,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.81 : 6,745.10 = 2,763.31 : x
  2. Step 2: Convert to fraction form
    4,887.81/6,745.10 = 2,763.31/x
  3. Step 3: Cross multiply
    4,887.81x = 6,745.10 × 2,763.31
  4. Step 4: Simplify right side
    4,887.81x = 18,638,754.74
  5. Step 5: Solve for x
    x = 18,638,754.74/4,887.81
  6. Step 6: Final answer
    x = 3,813.31

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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.