Home / 4,887.28-6,745.62-2,792.62

Finding the Fourth Proportional to 4,887.28, 6,745.62 and 2,792.62

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Solution

The fourth proportional to 4,887.28, 6,745.62 and 2,792.62 is: 3,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.28 : 6,745.62 = 2,792.62 : x
  2. Step 2: Convert to fraction form
    4,887.28/6,745.62 = 2,792.62/x
  3. Step 3: Cross multiply
    4,887.28x = 6,745.62 × 2,792.62
  4. Step 4: Simplify right side
    4,887.28x = 18,837,953.32
  5. Step 5: Solve for x
    x = 18,837,953.32/4,887.28
  6. Step 6: Final answer
    x = 3,854.49

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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.