Home / 8,499.33-12,750.80-2,656.38

Finding the Fourth Proportional to 8,499.33, 12,750.80 and 2,656.38

Calculator

Solution

The fourth proportional to 8,499.33, 12,750.80 and 2,656.38 is: 3,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.33 : 12,750.80 = 2,656.38 : x
  2. Step 2: Convert to fraction form
    8,499.33/12,750.80 = 2,656.38/x
  3. Step 3: Cross multiply
    8,499.33x = 12,750.80 × 2,656.38
  4. Step 4: Simplify right side
    8,499.33x = 33,870,956.82
  5. Step 5: Solve for x
    x = 33,870,956.82/8,499.33
  6. Step 6: Final answer
    x = 3,985.13

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.