Home / 4,811.02-7,216.60-1,890.70

Finding the Fourth Proportional to 4,811.02, 7,216.60 and 1,890.70

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Solution

The fourth proportional to 4,811.02, 7,216.60 and 1,890.70 is: 2,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.02 : 7,216.60 = 1,890.70 : x
  2. Step 2: Convert to fraction form
    4,811.02/7,216.60 = 1,890.70/x
  3. Step 3: Cross multiply
    4,811.02x = 7,216.60 × 1,890.70
  4. Step 4: Simplify right side
    4,811.02x = 13,644,425.62
  5. Step 5: Solve for x
    x = 13,644,425.62/4,811.02
  6. Step 6: Final answer
    x = 2,836.08

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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.