Home / 4,214.24-6,324.50-3,121.55

Finding the Fourth Proportional to 4,214.24, 6,324.50 and 3,121.55

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Solution

The fourth proportional to 4,214.24, 6,324.50 and 3,121.55 is: 4,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.24 : 6,324.50 = 3,121.55 : x
  2. Step 2: Convert to fraction form
    4,214.24/6,324.50 = 3,121.55/x
  3. Step 3: Cross multiply
    4,214.24x = 6,324.50 × 3,121.55
  4. Step 4: Simplify right side
    4,214.24x = 19,742,242.98
  5. Step 5: Solve for x
    x = 19,742,242.98/4,214.24
  6. Step 6: Final answer
    x = 4,684.65

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1.5x scale

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.