Home / 10,321.74-15,482.57-3,747.78

Finding the Fourth Proportional to 10,321.74, 15,482.57 and 3,747.78

Calculator

Solution

The fourth proportional to 10,321.74, 15,482.57 and 3,747.78 is: 5,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.74 : 15,482.57 = 3,747.78 : x
  2. Step 2: Convert to fraction form
    10,321.74/15,482.57 = 3,747.78/x
  3. Step 3: Cross multiply
    10,321.74x = 15,482.57 × 3,747.78
  4. Step 4: Simplify right side
    10,321.74x = 58,025,247.46
  5. Step 5: Solve for x
    x = 58,025,247.46/10,321.74
  6. Step 6: Final answer
    x = 5,621.65

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.