Home / 9,678.48-13,355.84-5,486.24

Finding the Fourth Proportional to 9,678.48, 13,355.84 and 5,486.24

Calculator

Solution

The fourth proportional to 9,678.48, 13,355.84 and 5,486.24 is: 7,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.48 : 13,355.84 = 5,486.24 : x
  2. Step 2: Convert to fraction form
    9,678.48/13,355.84 = 5,486.24/x
  3. Step 3: Cross multiply
    9,678.48x = 13,355.84 × 5,486.24
  4. Step 4: Simplify right side
    9,678.48x = 73,273,343.64
  5. Step 5: Solve for x
    x = 73,273,343.64/9,678.48
  6. Step 6: Final answer
    x = 7,570.75

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.