Home / 9,090.58-12,546.21-6,739.42

Finding the Fourth Proportional to 9,090.58, 12,546.21 and 6,739.42

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Solution

The fourth proportional to 9,090.58, 12,546.21 and 6,739.42 is: 9,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.58 : 12,546.21 = 6,739.42 : x
  2. Step 2: Convert to fraction form
    9,090.58/12,546.21 = 6,739.42/x
  3. Step 3: Cross multiply
    9,090.58x = 12,546.21 × 6,739.42
  4. Step 4: Simplify right side
    9,090.58x = 84,554,178.60
  5. Step 5: Solve for x
    x = 84,554,178.60/9,090.58
  6. Step 6: Final answer
    x = 9,301.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.