Home / 4,980.84-7,484.01-3,759.75

Finding the Fourth Proportional to 4,980.84, 7,484.01 and 3,759.75

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Solution

The fourth proportional to 4,980.84, 7,484.01 and 3,759.75 is: 5,649.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.84 : 7,484.01 = 3,759.75 : x
  2. Step 2: Convert to fraction form
    4,980.84/7,484.01 = 3,759.75/x
  3. Step 3: Cross multiply
    4,980.84x = 7,484.01 × 3,759.75
  4. Step 4: Simplify right side
    4,980.84x = 28,138,006.60
  5. Step 5: Solve for x
    x = 28,138,006.60/4,980.84
  6. Step 6: Final answer
    x = 5,649.25

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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.