Home / 7,089.64-10,634.46-3,189.49

Finding the Fourth Proportional to 7,089.64, 10,634.46 and 3,189.49

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Solution

The fourth proportional to 7,089.64, 10,634.46 and 3,189.49 is: 4,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.64 : 10,634.46 = 3,189.49 : x
  2. Step 2: Convert to fraction form
    7,089.64/10,634.46 = 3,189.49/x
  3. Step 3: Cross multiply
    7,089.64x = 10,634.46 × 3,189.49
  4. Step 4: Simplify right side
    7,089.64x = 33,918,503.83
  5. Step 5: Solve for x
    x = 33,918,503.83/7,089.64
  6. Step 6: Final answer
    x = 4,784.24

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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.