Home / 4,550.80-6,280.05-2,636.88

Finding the Fourth Proportional to 4,550.80, 6,280.05 and 2,636.88

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Solution

The fourth proportional to 4,550.80, 6,280.05 and 2,636.88 is: 3,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.80 : 6,280.05 = 2,636.88 : x
  2. Step 2: Convert to fraction form
    4,550.80/6,280.05 = 2,636.88/x
  3. Step 3: Cross multiply
    4,550.80x = 6,280.05 × 2,636.88
  4. Step 4: Simplify right side
    4,550.80x = 16,559,738.24
  5. Step 5: Solve for x
    x = 16,559,738.24/4,550.80
  6. Step 6: Final answer
    x = 3,638.86

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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.