Home / 9,179.86-12,668.28-4,988.11

Finding the Fourth Proportional to 9,179.86, 12,668.28 and 4,988.11

Calculator

Solution

The fourth proportional to 9,179.86, 12,668.28 and 4,988.11 is: 6,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.86 : 12,668.28 = 4,988.11 : x
  2. Step 2: Convert to fraction form
    9,179.86/12,668.28 = 4,988.11/x
  3. Step 3: Cross multiply
    9,179.86x = 12,668.28 × 4,988.11
  4. Step 4: Simplify right side
    9,179.86x = 63,190,775.59
  5. Step 5: Solve for x
    x = 63,190,775.59/9,179.86
  6. Step 6: Final answer
    x = 6,883.63

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.