Home / 6,443.06-9,665.80-2,059.34

Finding the Fourth Proportional to 6,443.06, 9,665.80 and 2,059.34

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Solution

The fourth proportional to 6,443.06, 9,665.80 and 2,059.34 is: 3,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.06 : 9,665.80 = 2,059.34 : x
  2. Step 2: Convert to fraction form
    6,443.06/9,665.80 = 2,059.34/x
  3. Step 3: Cross multiply
    6,443.06x = 9,665.80 × 2,059.34
  4. Step 4: Simplify right side
    6,443.06x = 19,905,115.09
  5. Step 5: Solve for x
    x = 19,905,115.09/6,443.06
  6. Step 6: Final answer
    x = 3,089.39

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1.5x scale

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.