Home / 10,428.91-15,643.37-2,637.72

Finding the Fourth Proportional to 10,428.91, 15,643.37 and 2,637.72

Calculator

Solution

The fourth proportional to 10,428.91, 15,643.37 and 2,637.72 is: 3,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.91 : 15,643.37 = 2,637.72 : x
  2. Step 2: Convert to fraction form
    10,428.91/15,643.37 = 2,637.72/x
  3. Step 3: Cross multiply
    10,428.91x = 15,643.37 × 2,637.72
  4. Step 4: Simplify right side
    10,428.91x = 41,262,836.51
  5. Step 5: Solve for x
    x = 41,262,836.51/10,428.91
  6. Step 6: Final answer
    x = 3,956.58

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.