Home / 8,842.50-12,205.38-5,698.69

Finding the Fourth Proportional to 8,842.50, 12,205.38 and 5,698.69

Calculator

Solution

The fourth proportional to 8,842.50, 12,205.38 and 5,698.69 is: 7,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.50 : 12,205.38 = 5,698.69 : x
  2. Step 2: Convert to fraction form
    8,842.50/12,205.38 = 5,698.69/x
  3. Step 3: Cross multiply
    8,842.50x = 12,205.38 × 5,698.69
  4. Step 4: Simplify right side
    8,842.50x = 69,554,667.81
  5. Step 5: Solve for x
    x = 69,554,667.81/8,842.50
  6. Step 6: Final answer
    x = 7,865.95

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.