Home / 5,130.83-7,693.50-2,659.52

Finding the Fourth Proportional to 5,130.83, 7,693.50 and 2,659.52

Calculator

Solution

The fourth proportional to 5,130.83, 7,693.50 and 2,659.52 is: 3,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.83 : 7,693.50 = 2,659.52 : x
  2. Step 2: Convert to fraction form
    5,130.83/7,693.50 = 2,659.52/x
  3. Step 3: Cross multiply
    5,130.83x = 7,693.50 × 2,659.52
  4. Step 4: Simplify right side
    5,130.83x = 20,461,017.12
  5. Step 5: Solve for x
    x = 20,461,017.12/5,130.83
  6. Step 6: Final answer
    x = 3,987.86

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.