Home / 4,630.55-6,390.32-2,641.41

Finding the Fourth Proportional to 4,630.55, 6,390.32 and 2,641.41

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Solution

The fourth proportional to 4,630.55, 6,390.32 and 2,641.41 is: 3,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.55 : 6,390.32 = 2,641.41 : x
  2. Step 2: Convert to fraction form
    4,630.55/6,390.32 = 2,641.41/x
  3. Step 3: Cross multiply
    4,630.55x = 6,390.32 × 2,641.41
  4. Step 4: Simplify right side
    4,630.55x = 16,879,441.94
  5. Step 5: Solve for x
    x = 16,879,441.94/4,630.55
  6. Step 6: Final answer
    x = 3,645.24

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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.