Home / 9,631.75-13,291.82-5,215.75

Finding the Fourth Proportional to 9,631.75, 13,291.82 and 5,215.75

Calculator

Solution

The fourth proportional to 9,631.75, 13,291.82 and 5,215.75 is: 7,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.75 : 13,291.82 = 5,215.75 : x
  2. Step 2: Convert to fraction form
    9,631.75/13,291.82 = 5,215.75/x
  3. Step 3: Cross multiply
    9,631.75x = 13,291.82 × 5,215.75
  4. Step 4: Simplify right side
    9,631.75x = 69,326,784.09
  5. Step 5: Solve for x
    x = 69,326,784.09/9,631.75
  6. Step 6: Final answer
    x = 7,197.74

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.