Home / 4,247.69-6,363.25-2,782.40

Finding the Fourth Proportional to 4,247.69, 6,363.25 and 2,782.40

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Solution

The fourth proportional to 4,247.69, 6,363.25 and 2,782.40 is: 4,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.69 : 6,363.25 = 2,782.40 : x
  2. Step 2: Convert to fraction form
    4,247.69/6,363.25 = 2,782.40/x
  3. Step 3: Cross multiply
    4,247.69x = 6,363.25 × 2,782.40
  4. Step 4: Simplify right side
    4,247.69x = 17,705,106.80
  5. Step 5: Solve for x
    x = 17,705,106.80/4,247.69
  6. Step 6: Final answer
    x = 4,168.17

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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.