Home / 7,184.30-9,885.58-5,505.09

Finding the Fourth Proportional to 7,184.30, 9,885.58 and 5,505.09

Calculator

Solution

The fourth proportional to 7,184.30, 9,885.58 and 5,505.09 is: 7,575.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.30 : 9,885.58 = 5,505.09 : x
  2. Step 2: Convert to fraction form
    7,184.30/9,885.58 = 5,505.09/x
  3. Step 3: Cross multiply
    7,184.30x = 9,885.58 × 5,505.09
  4. Step 4: Simplify right side
    7,184.30x = 54,421,007.80
  5. Step 5: Solve for x
    x = 54,421,007.80/7,184.30
  6. Step 6: Final answer
    x = 7,575.00

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.