Home / 7,702.29-11,555.39-2,155.65

Finding the Fourth Proportional to 7,702.29, 11,555.39 and 2,155.65

Calculator

Solution

The fourth proportional to 7,702.29, 11,555.39 and 2,155.65 is: 3,234.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.29 : 11,555.39 = 2,155.65 : x
  2. Step 2: Convert to fraction form
    7,702.29/11,555.39 = 2,155.65/x
  3. Step 3: Cross multiply
    7,702.29x = 11,555.39 × 2,155.65
  4. Step 4: Simplify right side
    7,702.29x = 24,909,338.51
  5. Step 5: Solve for x
    x = 24,909,338.51/7,702.29
  6. Step 6: Final answer
    x = 3,234.02

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.