Home / 8,279.82-11,428.29-5,762.34

Finding the Fourth Proportional to 8,279.82, 11,428.29 and 5,762.34

Calculator

Solution

The fourth proportional to 8,279.82, 11,428.29 and 5,762.34 is: 7,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.82 : 11,428.29 = 5,762.34 : x
  2. Step 2: Convert to fraction form
    8,279.82/11,428.29 = 5,762.34/x
  3. Step 3: Cross multiply
    8,279.82x = 11,428.29 × 5,762.34
  4. Step 4: Simplify right side
    8,279.82x = 65,853,692.60
  5. Step 5: Solve for x
    x = 65,853,692.60/8,279.82
  6. Step 6: Final answer
    x = 7,953.52

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.