Home / 4,367.80-6,025.78-2,688.70

Finding the Fourth Proportional to 4,367.80, 6,025.78 and 2,688.70

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Solution

The fourth proportional to 4,367.80, 6,025.78 and 2,688.70 is: 3,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,367.80 : 6,025.78 = 2,688.70 : x
  2. Step 2: Convert to fraction form
    4,367.80/6,025.78 = 2,688.70/x
  3. Step 3: Cross multiply
    4,367.80x = 6,025.78 × 2,688.70
  4. Step 4: Simplify right side
    4,367.80x = 16,201,514.69
  5. Step 5: Solve for x
    x = 16,201,514.69/4,367.80
  6. Step 6: Final answer
    x = 3,709.31

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1.5x scale

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.