Home / 7,069.40-10,589.70-3,608.60

Finding the Fourth Proportional to 7,069.40, 10,589.70 and 3,608.60

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Solution

The fourth proportional to 7,069.40, 10,589.70 and 3,608.60 is: 5,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.40 : 10,589.70 = 3,608.60 : x
  2. Step 2: Convert to fraction form
    7,069.40/10,589.70 = 3,608.60/x
  3. Step 3: Cross multiply
    7,069.40x = 10,589.70 × 3,608.60
  4. Step 4: Simplify right side
    7,069.40x = 38,213,991.42
  5. Step 5: Solve for x
    x = 38,213,991.42/7,069.40
  6. Step 6: Final answer
    x = 5,405.55

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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.