Home / 8,559.40-12,836.94-3,365.32

Finding the Fourth Proportional to 8,559.40, 12,836.94 and 3,365.32

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Solution

The fourth proportional to 8,559.40, 12,836.94 and 3,365.32 is: 5,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.40 : 12,836.94 = 3,365.32 : x
  2. Step 2: Convert to fraction form
    8,559.40/12,836.94 = 3,365.32/x
  3. Step 3: Cross multiply
    8,559.40x = 12,836.94 × 3,365.32
  4. Step 4: Simplify right side
    8,559.40x = 43,200,410.92
  5. Step 5: Solve for x
    x = 43,200,410.92/8,559.40
  6. Step 6: Final answer
    x = 5,047.13

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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.