Home / 4,877.94-6,731.66-2,887.76

Finding the Fourth Proportional to 4,877.94, 6,731.66 and 2,887.76

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Solution

The fourth proportional to 4,877.94, 6,731.66 and 2,887.76 is: 3,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.94 : 6,731.66 = 2,887.76 : x
  2. Step 2: Convert to fraction form
    4,877.94/6,731.66 = 2,887.76/x
  3. Step 3: Cross multiply
    4,877.94x = 6,731.66 × 2,887.76
  4. Step 4: Simplify right side
    4,877.94x = 19,439,418.48
  5. Step 5: Solve for x
    x = 19,439,418.48/4,877.94
  6. Step 6: Final answer
    x = 3,985.17

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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.