Home / 7,071-10,531.81-6,700.92

Finding the Fourth Proportional to 7,071, 10,531.81 and 6,700.92

Calculator

Solution

The fourth proportional to 7,071, 10,531.81 and 6,700.92 is: 9,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071 : 10,531.81 = 6,700.92 : x
  2. Step 2: Convert to fraction form
    7,071/10,531.81 = 6,700.92/x
  3. Step 3: Cross multiply
    7,071x = 10,531.81 × 6,700.92
  4. Step 4: Simplify right side
    7,071x = 70,572,816.27
  5. Step 5: Solve for x
    x = 70,572,816.27/7,071
  6. Step 6: Final answer
    x = 9,980.60

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.