Home / 8,725.16-12,036.75-5,186.36

Finding the Fourth Proportional to 8,725.16, 12,036.75 and 5,186.36

Calculator

Solution

The fourth proportional to 8,725.16, 12,036.75 and 5,186.36 is: 7,154.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.16 : 12,036.75 = 5,186.36 : x
  2. Step 2: Convert to fraction form
    8,725.16/12,036.75 = 5,186.36/x
  3. Step 3: Cross multiply
    8,725.16x = 12,036.75 × 5,186.36
  4. Step 4: Simplify right side
    8,725.16x = 62,426,918.73
  5. Step 5: Solve for x
    x = 62,426,918.73/8,725.16
  6. Step 6: Final answer
    x = 7,154.82

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.