Home / 5,134.26-7,701.39-1,238.67

Finding the Fourth Proportional to 5,134.26, 7,701.39 and 1,238.67

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Solution

The fourth proportional to 5,134.26, 7,701.39 and 1,238.67 is: 1,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.26 : 7,701.39 = 1,238.67 : x
  2. Step 2: Convert to fraction form
    5,134.26/7,701.39 = 1,238.67/x
  3. Step 3: Cross multiply
    5,134.26x = 7,701.39 × 1,238.67
  4. Step 4: Simplify right side
    5,134.26x = 9,539,480.75
  5. Step 5: Solve for x
    x = 9,539,480.75/5,134.26
  6. Step 6: Final answer
    x = 1,858.01

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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.