Home / 4,942-6,819.87-2,953

Finding the Fourth Proportional to 4,942, 6,819.87 and 2,953

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Solution

The fourth proportional to 4,942, 6,819.87 and 2,953 is: 4,075.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942 : 6,819.87 = 2,953 : x
  2. Step 2: Convert to fraction form
    4,942/6,819.87 = 2,953/x
  3. Step 3: Cross multiply
    4,942x = 6,819.87 × 2,953
  4. Step 4: Simplify right side
    4,942x = 20,139,076.11
  5. Step 5: Solve for x
    x = 20,139,076.11/4,942
  6. Step 6: Final answer
    x = 4,075.09

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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.