Home / 4,620.86-6,376.80-2,631.04

Finding the Fourth Proportional to 4,620.86, 6,376.80 and 2,631.04

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Solution

The fourth proportional to 4,620.86, 6,376.80 and 2,631.04 is: 3,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.86 : 6,376.80 = 2,631.04 : x
  2. Step 2: Convert to fraction form
    4,620.86/6,376.80 = 2,631.04/x
  3. Step 3: Cross multiply
    4,620.86x = 6,376.80 × 2,631.04
  4. Step 4: Simplify right side
    4,620.86x = 16,777,615.87
  5. Step 5: Solve for x
    x = 16,777,615.87/4,620.86
  6. Step 6: Final answer
    x = 3,630.84

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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.