Home / 6,420.33-9,630.09-2,260.71

Finding the Fourth Proportional to 6,420.33, 9,630.09 and 2,260.71

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Solution

The fourth proportional to 6,420.33, 9,630.09 and 2,260.71 is: 3,390.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.33 : 9,630.09 = 2,260.71 : x
  2. Step 2: Convert to fraction form
    6,420.33/9,630.09 = 2,260.71/x
  3. Step 3: Cross multiply
    6,420.33x = 9,630.09 × 2,260.71
  4. Step 4: Simplify right side
    6,420.33x = 21,770,840.76
  5. Step 5: Solve for x
    x = 21,770,840.76/6,420.33
  6. Step 6: Final answer
    x = 3,390.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.