Home / 6,418.19-8,856.79-3,585.00

Finding the Fourth Proportional to 6,418.19, 8,856.79 and 3,585.00

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Solution

The fourth proportional to 6,418.19, 8,856.79 and 3,585.00 is: 4,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.19 : 8,856.79 = 3,585.00 : x
  2. Step 2: Convert to fraction form
    6,418.19/8,856.79 = 3,585.00/x
  3. Step 3: Cross multiply
    6,418.19x = 8,856.79 × 3,585.00
  4. Step 4: Simplify right side
    6,418.19x = 31,751,605.33
  5. Step 5: Solve for x
    x = 31,751,605.33/6,418.19
  6. Step 6: Final answer
    x = 4,947.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.