Home / 5,643.90-7,788.28-3,125.88

Finding the Fourth Proportional to 5,643.90, 7,788.28 and 3,125.88

Calculator

Solution

The fourth proportional to 5,643.90, 7,788.28 and 3,125.88 is: 4,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.90 : 7,788.28 = 3,125.88 : x
  2. Step 2: Convert to fraction form
    5,643.90/7,788.28 = 3,125.88/x
  3. Step 3: Cross multiply
    5,643.90x = 7,788.28 × 3,125.88
  4. Step 4: Simplify right side
    5,643.90x = 24,345,228.69
  5. Step 5: Solve for x
    x = 24,345,228.69/5,643.90
  6. Step 6: Final answer
    x = 4,313.55

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.