Home / 7,931.52-11,888.69-5,160.17

Finding the Fourth Proportional to 7,931.52, 11,888.69 and 5,160.17

Calculator

Solution

The fourth proportional to 7,931.52, 11,888.69 and 5,160.17 is: 7,734.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.52 : 11,888.69 = 5,160.17 : x
  2. Step 2: Convert to fraction form
    7,931.52/11,888.69 = 5,160.17/x
  3. Step 3: Cross multiply
    7,931.52x = 11,888.69 × 5,160.17
  4. Step 4: Simplify right side
    7,931.52x = 61,347,576.23
  5. Step 5: Solve for x
    x = 61,347,576.23/7,931.52
  6. Step 6: Final answer
    x = 7,734.66

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.