Home / 4,867.20-7,287.84-4,284

Finding the Fourth Proportional to 4,867.20, 7,287.84 and 4,284

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Solution

The fourth proportional to 4,867.20, 7,287.84 and 4,284 is: 6,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.20 : 7,287.84 = 4,284 : x
  2. Step 2: Convert to fraction form
    4,867.20/7,287.84 = 4,284/x
  3. Step 3: Cross multiply
    4,867.20x = 7,287.84 × 4,284
  4. Step 4: Simplify right side
    4,867.20x = 31,221,106.56
  5. Step 5: Solve for x
    x = 31,221,106.56/4,867.20
  6. Step 6: Final answer
    x = 6,414.59

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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.