Home / 7,477.65-10,319.74-4,121.07

Finding the Fourth Proportional to 7,477.65, 10,319.74 and 4,121.07

Calculator

Solution

The fourth proportional to 7,477.65, 10,319.74 and 4,121.07 is: 5,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.65 : 10,319.74 = 4,121.07 : x
  2. Step 2: Convert to fraction form
    7,477.65/10,319.74 = 4,121.07/x
  3. Step 3: Cross multiply
    7,477.65x = 10,319.74 × 4,121.07
  4. Step 4: Simplify right side
    7,477.65x = 42,528,321.92
  5. Step 5: Solve for x
    x = 42,528,321.92/7,477.65
  6. Step 6: Final answer
    x = 5,687.39

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.