Home / 8,645.14-12,966.95-2,405.02

Finding the Fourth Proportional to 8,645.14, 12,966.95 and 2,405.02

Calculator

Solution

The fourth proportional to 8,645.14, 12,966.95 and 2,405.02 is: 3,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.14 : 12,966.95 = 2,405.02 : x
  2. Step 2: Convert to fraction form
    8,645.14/12,966.95 = 2,405.02/x
  3. Step 3: Cross multiply
    8,645.14x = 12,966.95 × 2,405.02
  4. Step 4: Simplify right side
    8,645.14x = 31,185,717.77
  5. Step 5: Solve for x
    x = 31,185,717.77/8,645.14
  6. Step 6: Final answer
    x = 3,607.31

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.