Home / 7,020.65-10,530.87-2,090.32

Finding the Fourth Proportional to 7,020.65, 10,530.87 and 2,090.32

Calculator

Solution

The fourth proportional to 7,020.65, 10,530.87 and 2,090.32 is: 3,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.65 : 10,530.87 = 2,090.32 : x
  2. Step 2: Convert to fraction form
    7,020.65/10,530.87 = 2,090.32/x
  3. Step 3: Cross multiply
    7,020.65x = 10,530.87 × 2,090.32
  4. Step 4: Simplify right side
    7,020.65x = 22,012,888.18
  5. Step 5: Solve for x
    x = 22,012,888.18/7,020.65
  6. Step 6: Final answer
    x = 3,135.45

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.