Home / 4,620.09-6,375.75-2,630.79

Finding the Fourth Proportional to 4,620.09, 6,375.75 and 2,630.79

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Solution

The fourth proportional to 4,620.09, 6,375.75 and 2,630.79 is: 3,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.09 : 6,375.75 = 2,630.79 : x
  2. Step 2: Convert to fraction form
    4,620.09/6,375.75 = 2,630.79/x
  3. Step 3: Cross multiply
    4,620.09x = 6,375.75 × 2,630.79
  4. Step 4: Simplify right side
    4,620.09x = 16,773,259.34
  5. Step 5: Solve for x
    x = 16,773,259.34/4,620.09
  6. Step 6: Final answer
    x = 3,630.50

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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.