Home / 4,989.33-7,484.02-1,291.30

Finding the Fourth Proportional to 4,989.33, 7,484.02 and 1,291.30

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Solution

The fourth proportional to 4,989.33, 7,484.02 and 1,291.30 is: 1,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.33 : 7,484.02 = 1,291.30 : x
  2. Step 2: Convert to fraction form
    4,989.33/7,484.02 = 1,291.30/x
  3. Step 3: Cross multiply
    4,989.33x = 7,484.02 × 1,291.30
  4. Step 4: Simplify right side
    4,989.33x = 9,664,093.09
  5. Step 5: Solve for x
    x = 9,664,093.09/4,989.33
  6. Step 6: Final answer
    x = 1,936.95

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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.