Home / 4,684.88-7,030.78-2,219.69

Finding the Fourth Proportional to 4,684.88, 7,030.78 and 2,219.69

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Solution

The fourth proportional to 4,684.88, 7,030.78 and 2,219.69 is: 3,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.88 : 7,030.78 = 2,219.69 : x
  2. Step 2: Convert to fraction form
    4,684.88/7,030.78 = 2,219.69/x
  3. Step 3: Cross multiply
    4,684.88x = 7,030.78 × 2,219.69
  4. Step 4: Simplify right side
    4,684.88x = 15,606,164.09
  5. Step 5: Solve for x
    x = 15,606,164.09/4,684.88
  6. Step 6: Final answer
    x = 3,331.18

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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.