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Finding the Fourth Proportional to 6,090.40, 9,132.90 and 2,804.50

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Solution

The fourth proportional to 6,090.40, 9,132.90 and 2,804.50 is: 4,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.40 : 9,132.90 = 2,804.50 : x
  2. Step 2: Convert to fraction form
    6,090.40/9,132.90 = 2,804.50/x
  3. Step 3: Cross multiply
    6,090.40x = 9,132.90 × 2,804.50
  4. Step 4: Simplify right side
    6,090.40x = 25,613,218.05
  5. Step 5: Solve for x
    x = 25,613,218.05/6,090.40
  6. Step 6: Final answer
    x = 4,205.51

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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.