Home / 4,620.40-6,375.51-2,630.86

Finding the Fourth Proportional to 4,620.40, 6,375.51 and 2,630.86

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Solution

The fourth proportional to 4,620.40, 6,375.51 and 2,630.86 is: 3,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.40 : 6,375.51 = 2,630.86 : x
  2. Step 2: Convert to fraction form
    4,620.40/6,375.51 = 2,630.86/x
  3. Step 3: Cross multiply
    4,620.40x = 6,375.51 × 2,630.86
  4. Step 4: Simplify right side
    4,620.40x = 16,773,074.24
  5. Step 5: Solve for x
    x = 16,773,074.24/4,620.40
  6. Step 6: Final answer
    x = 3,630.22

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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.