Home / 6,405.06-9,607.35-2,022.78

Finding the Fourth Proportional to 6,405.06, 9,607.35 and 2,022.78

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Solution

The fourth proportional to 6,405.06, 9,607.35 and 2,022.78 is: 3,034.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.06 : 9,607.35 = 2,022.78 : x
  2. Step 2: Convert to fraction form
    6,405.06/9,607.35 = 2,022.78/x
  3. Step 3: Cross multiply
    6,405.06x = 9,607.35 × 2,022.78
  4. Step 4: Simplify right side
    6,405.06x = 19,433,555.43
  5. Step 5: Solve for x
    x = 19,433,555.43/6,405.06
  6. Step 6: Final answer
    x = 3,034.09

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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.