Home / 4,989.79-7,484.69-2,028.53

Finding the Fourth Proportional to 4,989.79, 7,484.69 and 2,028.53

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Solution

The fourth proportional to 4,989.79, 7,484.69 and 2,028.53 is: 3,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.79 : 7,484.69 = 2,028.53 : x
  2. Step 2: Convert to fraction form
    4,989.79/7,484.69 = 2,028.53/x
  3. Step 3: Cross multiply
    4,989.79x = 7,484.69 × 2,028.53
  4. Step 4: Simplify right side
    4,989.79x = 15,182,918.21
  5. Step 5: Solve for x
    x = 15,182,918.21/4,989.79
  6. Step 6: Final answer
    x = 3,042.80

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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.