Home / 4,877.45-6,730.97-2,887.28

Finding the Fourth Proportional to 4,877.45, 6,730.97 and 2,887.28

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Solution

The fourth proportional to 4,877.45, 6,730.97 and 2,887.28 is: 3,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.45 : 6,730.97 = 2,887.28 : x
  2. Step 2: Convert to fraction form
    4,877.45/6,730.97 = 2,887.28/x
  3. Step 3: Cross multiply
    4,877.45x = 6,730.97 × 2,887.28
  4. Step 4: Simplify right side
    4,877.45x = 19,434,146.97
  5. Step 5: Solve for x
    x = 19,434,146.97/4,877.45
  6. Step 6: Final answer
    x = 3,984.49

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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.