Home / 7,589.21-11,383.40-2,911.46

Finding the Fourth Proportional to 7,589.21, 11,383.40 and 2,911.46

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Solution

The fourth proportional to 7,589.21, 11,383.40 and 2,911.46 is: 4,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.21 : 11,383.40 = 2,911.46 : x
  2. Step 2: Convert to fraction form
    7,589.21/11,383.40 = 2,911.46/x
  3. Step 3: Cross multiply
    7,589.21x = 11,383.40 × 2,911.46
  4. Step 4: Simplify right side
    7,589.21x = 33,142,242.29
  5. Step 5: Solve for x
    x = 33,142,242.29/7,589.21
  6. Step 6: Final answer
    x = 4,367.02

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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.