Home / 4,267.28-6,407.86-2,634.21

Finding the Fourth Proportional to 4,267.28, 6,407.86 and 2,634.21

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Solution

The fourth proportional to 4,267.28, 6,407.86 and 2,634.21 is: 3,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.28 : 6,407.86 = 2,634.21 : x
  2. Step 2: Convert to fraction form
    4,267.28/6,407.86 = 2,634.21/x
  3. Step 3: Cross multiply
    4,267.28x = 6,407.86 × 2,634.21
  4. Step 4: Simplify right side
    4,267.28x = 16,879,616.85
  5. Step 5: Solve for x
    x = 16,879,616.85/4,267.28
  6. Step 6: Final answer
    x = 3,955.60

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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.