Home / 4,887.79-6,745.03-2,763.29

Finding the Fourth Proportional to 4,887.79, 6,745.03 and 2,763.29

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Solution

The fourth proportional to 4,887.79, 6,745.03 and 2,763.29 is: 3,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.79 : 6,745.03 = 2,763.29 : x
  2. Step 2: Convert to fraction form
    4,887.79/6,745.03 = 2,763.29/x
  3. Step 3: Cross multiply
    4,887.79x = 6,745.03 × 2,763.29
  4. Step 4: Simplify right side
    4,887.79x = 18,638,483.90
  5. Step 5: Solve for x
    x = 18,638,483.90/4,887.79
  6. Step 6: Final answer
    x = 3,813.28

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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.