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Finding the Fourth Proportional to 6,009.80, 9,009.72 and 3,696.44

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Solution

The fourth proportional to 6,009.80, 9,009.72 and 3,696.44 is: 5,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,009.80 : 9,009.72 = 3,696.44 : x
  2. Step 2: Convert to fraction form
    6,009.80/9,009.72 = 3,696.44/x
  3. Step 3: Cross multiply
    6,009.80x = 9,009.72 × 3,696.44
  4. Step 4: Simplify right side
    6,009.80x = 33,303,889.40
  5. Step 5: Solve for x
    x = 33,303,889.40/6,009.80
  6. Step 6: Final answer
    x = 5,541.60

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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.