Home / 7,480.85-10,323.13-4,123.81

Finding the Fourth Proportional to 7,480.85, 10,323.13 and 4,123.81

Calculator

Solution

The fourth proportional to 7,480.85, 10,323.13 and 4,123.81 is: 5,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.85 : 10,323.13 = 4,123.81 : x
  2. Step 2: Convert to fraction form
    7,480.85/10,323.13 = 4,123.81/x
  3. Step 3: Cross multiply
    7,480.85x = 10,323.13 × 4,123.81
  4. Step 4: Simplify right side
    7,480.85x = 42,570,554.49
  5. Step 5: Solve for x
    x = 42,570,554.49/7,480.85
  6. Step 6: Final answer
    x = 5,690.60

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.