Home / 4,750.44-7,118.36-2,898.78

Finding the Fourth Proportional to 4,750.44, 7,118.36 and 2,898.78

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Solution

The fourth proportional to 4,750.44, 7,118.36 and 2,898.78 is: 4,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.44 : 7,118.36 = 2,898.78 : x
  2. Step 2: Convert to fraction form
    4,750.44/7,118.36 = 2,898.78/x
  3. Step 3: Cross multiply
    4,750.44x = 7,118.36 × 2,898.78
  4. Step 4: Simplify right side
    4,750.44x = 20,634,524.01
  5. Step 5: Solve for x
    x = 20,634,524.01/4,750.44
  6. Step 6: Final answer
    x = 4,343.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.