Home / 7,529.81-10,391.74-4,172.92

Finding the Fourth Proportional to 7,529.81, 10,391.74 and 4,172.92

Calculator

Solution

The fourth proportional to 7,529.81, 10,391.74 and 4,172.92 is: 5,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.81 : 10,391.74 = 4,172.92 : x
  2. Step 2: Convert to fraction form
    7,529.81/10,391.74 = 4,172.92/x
  3. Step 3: Cross multiply
    7,529.81x = 10,391.74 × 4,172.92
  4. Step 4: Simplify right side
    7,529.81x = 43,363,886.74
  5. Step 5: Solve for x
    x = 43,363,886.74/7,529.81
  6. Step 6: Final answer
    x = 5,758.96

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.