Home / 8,415.78-12,623.67-4,712.46

Finding the Fourth Proportional to 8,415.78, 12,623.67 and 4,712.46

Calculator

Solution

The fourth proportional to 8,415.78, 12,623.67 and 4,712.46 is: 7,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.78 : 12,623.67 = 4,712.46 : x
  2. Step 2: Convert to fraction form
    8,415.78/12,623.67 = 4,712.46/x
  3. Step 3: Cross multiply
    8,415.78x = 12,623.67 × 4,712.46
  4. Step 4: Simplify right side
    8,415.78x = 59,488,539.93
  5. Step 5: Solve for x
    x = 59,488,539.93/8,415.78
  6. Step 6: Final answer
    x = 7,068.69

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.