Home / 4,628.48-6,936-2,028.80

Finding the Fourth Proportional to 4,628.48, 6,936 and 2,028.80

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Solution

The fourth proportional to 4,628.48, 6,936 and 2,028.80 is: 3,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.48 : 6,936 = 2,028.80 : x
  2. Step 2: Convert to fraction form
    4,628.48/6,936 = 2,028.80/x
  3. Step 3: Cross multiply
    4,628.48x = 6,936 × 2,028.80
  4. Step 4: Simplify right side
    4,628.48x = 14,071,756.80
  5. Step 5: Solve for x
    x = 14,071,756.80/4,628.48
  6. Step 6: Final answer
    x = 3,040.25

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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.