Home / 4,620.64-6,374.89-2,630.69

Finding the Fourth Proportional to 4,620.64, 6,374.89 and 2,630.69

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Solution

The fourth proportional to 4,620.64, 6,374.89 and 2,630.69 is: 3,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.64 : 6,374.89 = 2,630.69 : x
  2. Step 2: Convert to fraction form
    4,620.64/6,374.89 = 2,630.69/x
  3. Step 3: Cross multiply
    4,620.64x = 6,374.89 × 2,630.69
  4. Step 4: Simplify right side
    4,620.64x = 16,770,359.37
  5. Step 5: Solve for x
    x = 16,770,359.37/4,620.64
  6. Step 6: Final answer
    x = 3,629.45

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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.