Home / 4,620.96-6,376.62-2,631.72

Finding the Fourth Proportional to 4,620.96, 6,376.62 and 2,631.72

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Solution

The fourth proportional to 4,620.96, 6,376.62 and 2,631.72 is: 3,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.96 : 6,376.62 = 2,631.72 : x
  2. Step 2: Convert to fraction form
    4,620.96/6,376.62 = 2,631.72/x
  3. Step 3: Cross multiply
    4,620.96x = 6,376.62 × 2,631.72
  4. Step 4: Simplify right side
    4,620.96x = 16,781,478.39
  5. Step 5: Solve for x
    x = 16,781,478.39/4,620.96
  6. Step 6: Final answer
    x = 3,631.60

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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.