Home / 7,748.47-10,692.90-4,211.67

Finding the Fourth Proportional to 7,748.47, 10,692.90 and 4,211.67

Calculator

Solution

The fourth proportional to 7,748.47, 10,692.90 and 4,211.67 is: 5,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.47 : 10,692.90 = 4,211.67 : x
  2. Step 2: Convert to fraction form
    7,748.47/10,692.90 = 4,211.67/x
  3. Step 3: Cross multiply
    7,748.47x = 10,692.90 × 4,211.67
  4. Step 4: Simplify right side
    7,748.47x = 45,034,966.14
  5. Step 5: Solve for x
    x = 45,034,966.14/7,748.47
  6. Step 6: Final answer
    x = 5,812.11

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.