Home / 8,559.36-12,841.28-3,629.20

Finding the Fourth Proportional to 8,559.36, 12,841.28 and 3,629.20

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Solution

The fourth proportional to 8,559.36, 12,841.28 and 3,629.20 is: 5,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.36 : 12,841.28 = 3,629.20 : x
  2. Step 2: Convert to fraction form
    8,559.36/12,841.28 = 3,629.20/x
  3. Step 3: Cross multiply
    8,559.36x = 12,841.28 × 3,629.20
  4. Step 4: Simplify right side
    8,559.36x = 46,603,573.38
  5. Step 5: Solve for x
    x = 46,603,573.38/8,559.36
  6. Step 6: Final answer
    x = 5,444.75

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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.