Home / 4,498.34-6,748.31-1,378.28

Finding the Fourth Proportional to 4,498.34, 6,748.31 and 1,378.28

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Solution

The fourth proportional to 4,498.34, 6,748.31 and 1,378.28 is: 2,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498.34 : 6,748.31 = 1,378.28 : x
  2. Step 2: Convert to fraction form
    4,498.34/6,748.31 = 1,378.28/x
  3. Step 3: Cross multiply
    4,498.34x = 6,748.31 × 1,378.28
  4. Step 4: Simplify right side
    4,498.34x = 9,301,020.07
  5. Step 5: Solve for x
    x = 9,301,020.07/4,498.34
  6. Step 6: Final answer
    x = 2,067.66

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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.