Home / 8,979.53-12,393.93-5,202.09

Finding the Fourth Proportional to 8,979.53, 12,393.93 and 5,202.09

Calculator

Solution

The fourth proportional to 8,979.53, 12,393.93 and 5,202.09 is: 7,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.53 : 12,393.93 = 5,202.09 : x
  2. Step 2: Convert to fraction form
    8,979.53/12,393.93 = 5,202.09/x
  3. Step 3: Cross multiply
    8,979.53x = 12,393.93 × 5,202.09
  4. Step 4: Simplify right side
    8,979.53x = 64,474,339.31
  5. Step 5: Solve for x
    x = 64,474,339.31/8,979.53
  6. Step 6: Final answer
    x = 7,180.15

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.