Home / 7,752.12-10,697.76-4,215.30

Finding the Fourth Proportional to 7,752.12, 10,697.76 and 4,215.30

Calculator

Solution

The fourth proportional to 7,752.12, 10,697.76 and 4,215.30 is: 5,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.12 : 10,697.76 = 4,215.30 : x
  2. Step 2: Convert to fraction form
    7,752.12/10,697.76 = 4,215.30/x
  3. Step 3: Cross multiply
    7,752.12x = 10,697.76 × 4,215.30
  4. Step 4: Simplify right side
    7,752.12x = 45,094,267.73
  5. Step 5: Solve for x
    x = 45,094,267.73/7,752.12
  6. Step 6: Final answer
    x = 5,817.02

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.