Home / 7,242.55-10,860.35-3,540.44

Finding the Fourth Proportional to 7,242.55, 10,860.35 and 3,540.44

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Solution

The fourth proportional to 7,242.55, 10,860.35 and 3,540.44 is: 5,308.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.55 : 10,860.35 = 3,540.44 : x
  2. Step 2: Convert to fraction form
    7,242.55/10,860.35 = 3,540.44/x
  3. Step 3: Cross multiply
    7,242.55x = 10,860.35 × 3,540.44
  4. Step 4: Simplify right side
    7,242.55x = 38,450,427.00
  5. Step 5: Solve for x
    x = 38,450,427.00/7,242.55
  6. Step 6: Final answer
    x = 5,308.96

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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.