Home / 4,630.85-6,390.51-2,641.44

Finding the Fourth Proportional to 4,630.85, 6,390.51 and 2,641.44

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Solution

The fourth proportional to 4,630.85, 6,390.51 and 2,641.44 is: 3,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.85 : 6,390.51 = 2,641.44 : x
  2. Step 2: Convert to fraction form
    4,630.85/6,390.51 = 2,641.44/x
  3. Step 3: Cross multiply
    4,630.85x = 6,390.51 × 2,641.44
  4. Step 4: Simplify right side
    4,630.85x = 16,880,148.73
  5. Step 5: Solve for x
    x = 16,880,148.73/4,630.85
  6. Step 6: Final answer
    x = 3,645.15

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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.