Home / 4,012.40-6,019.26-1,238.98

Finding the Fourth Proportional to 4,012.40, 6,019.26 and 1,238.98

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Solution

The fourth proportional to 4,012.40, 6,019.26 and 1,238.98 is: 1,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.40 : 6,019.26 = 1,238.98 : x
  2. Step 2: Convert to fraction form
    4,012.40/6,019.26 = 1,238.98/x
  3. Step 3: Cross multiply
    4,012.40x = 6,019.26 × 1,238.98
  4. Step 4: Simplify right side
    4,012.40x = 7,457,742.75
  5. Step 5: Solve for x
    x = 7,457,742.75/4,012.40
  6. Step 6: Final answer
    x = 1,858.67

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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.