Home / 6,409.52-9,615.45-2,028.20

Finding the Fourth Proportional to 6,409.52, 9,615.45 and 2,028.20

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Solution

The fourth proportional to 6,409.52, 9,615.45 and 2,028.20 is: 3,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.52 : 9,615.45 = 2,028.20 : x
  2. Step 2: Convert to fraction form
    6,409.52/9,615.45 = 2,028.20/x
  3. Step 3: Cross multiply
    6,409.52x = 9,615.45 × 2,028.20
  4. Step 4: Simplify right side
    6,409.52x = 19,502,055.69
  5. Step 5: Solve for x
    x = 19,502,055.69/6,409.52
  6. Step 6: Final answer
    x = 3,042.67

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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.