Home / 4,887.85-6,745.27-2,649.76

Finding the Fourth Proportional to 4,887.85, 6,745.27 and 2,649.76

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Solution

The fourth proportional to 4,887.85, 6,745.27 and 2,649.76 is: 3,656.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.85 : 6,745.27 = 2,649.76 : x
  2. Step 2: Convert to fraction form
    4,887.85/6,745.27 = 2,649.76/x
  3. Step 3: Cross multiply
    4,887.85x = 6,745.27 × 2,649.76
  4. Step 4: Simplify right side
    4,887.85x = 17,873,354.71
  5. Step 5: Solve for x
    x = 17,873,354.71/4,887.85
  6. Step 6: Final answer
    x = 3,656.69

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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.