Home / 4,508.64-6,763.59-1,388.90

Finding the Fourth Proportional to 4,508.64, 6,763.59 and 1,388.90

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Solution

The fourth proportional to 4,508.64, 6,763.59 and 1,388.90 is: 2,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.64 : 6,763.59 = 1,388.90 : x
  2. Step 2: Convert to fraction form
    4,508.64/6,763.59 = 1,388.90/x
  3. Step 3: Cross multiply
    4,508.64x = 6,763.59 × 1,388.90
  4. Step 4: Simplify right side
    4,508.64x = 9,393,950.15
  5. Step 5: Solve for x
    x = 9,393,950.15/4,508.64
  6. Step 6: Final answer
    x = 2,083.54

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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.