Home / 6,389.30-9,583.35-2,879.54

Finding the Fourth Proportional to 6,389.30, 9,583.35 and 2,879.54

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Solution

The fourth proportional to 6,389.30, 9,583.35 and 2,879.54 is: 4,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.30 : 9,583.35 = 2,879.54 : x
  2. Step 2: Convert to fraction form
    6,389.30/9,583.35 = 2,879.54/x
  3. Step 3: Cross multiply
    6,389.30x = 9,583.35 × 2,879.54
  4. Step 4: Simplify right side
    6,389.30x = 27,595,639.66
  5. Step 5: Solve for x
    x = 27,595,639.66/6,389.30
  6. Step 6: Final answer
    x = 4,319.04

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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.