Home / 8,599.96-12,890.80-5,470.12

Finding the Fourth Proportional to 8,599.96, 12,890.80 and 5,470.12

Calculator

Solution

The fourth proportional to 8,599.96, 12,890.80 and 5,470.12 is: 8,199.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.96 : 12,890.80 = 5,470.12 : x
  2. Step 2: Convert to fraction form
    8,599.96/12,890.80 = 5,470.12/x
  3. Step 3: Cross multiply
    8,599.96x = 12,890.80 × 5,470.12
  4. Step 4: Simplify right side
    8,599.96x = 70,514,222.90
  5. Step 5: Solve for x
    x = 70,514,222.90/8,599.96
  6. Step 6: Final answer
    x = 8,199.37

Related Problems

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.