Home / 4,310.45-6,466.75-1,388.69

Finding the Fourth Proportional to 4,310.45, 6,466.75 and 1,388.69

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Solution

The fourth proportional to 4,310.45, 6,466.75 and 1,388.69 is: 2,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.45 : 6,466.75 = 1,388.69 : x
  2. Step 2: Convert to fraction form
    4,310.45/6,466.75 = 1,388.69/x
  3. Step 3: Cross multiply
    4,310.45x = 6,466.75 × 1,388.69
  4. Step 4: Simplify right side
    4,310.45x = 8,980,275.25
  5. Step 5: Solve for x
    x = 8,980,275.25/4,310.45
  6. Step 6: Final answer
    x = 2,083.38

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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.