Home / 6,332.40-8,718.72-5,386.32

Finding the Fourth Proportional to 6,332.40, 8,718.72 and 5,386.32

Calculator

Solution

The fourth proportional to 6,332.40, 8,718.72 and 5,386.32 is: 7,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,332.40 : 8,718.72 = 5,386.32 : x
  2. Step 2: Convert to fraction form
    6,332.40/8,718.72 = 5,386.32/x
  3. Step 3: Cross multiply
    6,332.40x = 8,718.72 × 5,386.32
  4. Step 4: Simplify right side
    6,332.40x = 46,961,815.91
  5. Step 5: Solve for x
    x = 46,961,815.91/6,332.40
  6. Step 6: Final answer
    x = 7,416.12

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.