Home / 7,139.34-10,710.24-2,459.82

Finding the Fourth Proportional to 7,139.34, 10,710.24 and 2,459.82

Calculator

Solution

The fourth proportional to 7,139.34, 10,710.24 and 2,459.82 is: 3,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139.34 : 10,710.24 = 2,459.82 : x
  2. Step 2: Convert to fraction form
    7,139.34/10,710.24 = 2,459.82/x
  3. Step 3: Cross multiply
    7,139.34x = 10,710.24 × 2,459.82
  4. Step 4: Simplify right side
    7,139.34x = 26,345,262.56
  5. Step 5: Solve for x
    x = 26,345,262.56/7,139.34
  6. Step 6: Final answer
    x = 3,690.15

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.