Home / 4,855.20-7,271.52-3,118.56

Finding the Fourth Proportional to 4,855.20, 7,271.52 and 3,118.56

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Solution

The fourth proportional to 4,855.20, 7,271.52 and 3,118.56 is: 4,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.20 : 7,271.52 = 3,118.56 : x
  2. Step 2: Convert to fraction form
    4,855.20/7,271.52 = 3,118.56/x
  3. Step 3: Cross multiply
    4,855.20x = 7,271.52 × 3,118.56
  4. Step 4: Simplify right side
    4,855.20x = 22,676,671.41
  5. Step 5: Solve for x
    x = 22,676,671.41/4,855.20
  6. Step 6: Final answer
    x = 4,670.59

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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.