Home / 5,696.56-8,548.64-2,189.47

Finding the Fourth Proportional to 5,696.56, 8,548.64 and 2,189.47

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Solution

The fourth proportional to 5,696.56, 8,548.64 and 2,189.47 is: 3,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696.56 : 8,548.64 = 2,189.47 : x
  2. Step 2: Convert to fraction form
    5,696.56/8,548.64 = 2,189.47/x
  3. Step 3: Cross multiply
    5,696.56x = 8,548.64 × 2,189.47
  4. Step 4: Simplify right side
    5,696.56x = 18,716,990.82
  5. Step 5: Solve for x
    x = 18,716,990.82/5,696.56
  6. Step 6: Final answer
    x = 3,285.67

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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.