Home / 4,258.12-6,389.82-1,663.24

Finding the Fourth Proportional to 4,258.12, 6,389.82 and 1,663.24

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Solution

The fourth proportional to 4,258.12, 6,389.82 and 1,663.24 is: 2,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.12 : 6,389.82 = 1,663.24 : x
  2. Step 2: Convert to fraction form
    4,258.12/6,389.82 = 1,663.24/x
  3. Step 3: Cross multiply
    4,258.12x = 6,389.82 × 1,663.24
  4. Step 4: Simplify right side
    4,258.12x = 10,627,804.22
  5. Step 5: Solve for x
    x = 10,627,804.22/4,258.12
  6. Step 6: Final answer
    x = 2,495.89

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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.