Home / 5,775.78-7,970.59-3,123.19

Finding the Fourth Proportional to 5,775.78, 7,970.59 and 3,123.19

Calculator

Solution

The fourth proportional to 5,775.78, 7,970.59 and 3,123.19 is: 4,310.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.78 : 7,970.59 = 3,123.19 : x
  2. Step 2: Convert to fraction form
    5,775.78/7,970.59 = 3,123.19/x
  3. Step 3: Cross multiply
    5,775.78x = 7,970.59 × 3,123.19
  4. Step 4: Simplify right side
    5,775.78x = 24,893,666.98
  5. Step 5: Solve for x
    x = 24,893,666.98/5,775.78
  6. Step 6: Final answer
    x = 4,310.01

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.