Home / 7,547.72-10,415.66-4,190.44

Finding the Fourth Proportional to 7,547.72, 10,415.66 and 4,190.44

Calculator

Solution

The fourth proportional to 7,547.72, 10,415.66 and 4,190.44 is: 5,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.72 : 10,415.66 = 4,190.44 : x
  2. Step 2: Convert to fraction form
    7,547.72/10,415.66 = 4,190.44/x
  3. Step 3: Cross multiply
    7,547.72x = 10,415.66 × 4,190.44
  4. Step 4: Simplify right side
    7,547.72x = 43,646,182.73
  5. Step 5: Solve for x
    x = 43,646,182.73/7,547.72
  6. Step 6: Final answer
    x = 5,782.70

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.