Home / 4,260.63-6,390.54-1,487.33

Finding the Fourth Proportional to 4,260.63, 6,390.54 and 1,487.33

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Solution

The fourth proportional to 4,260.63, 6,390.54 and 1,487.33 is: 2,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.63 : 6,390.54 = 1,487.33 : x
  2. Step 2: Convert to fraction form
    4,260.63/6,390.54 = 1,487.33/x
  3. Step 3: Cross multiply
    4,260.63x = 6,390.54 × 1,487.33
  4. Step 4: Simplify right side
    4,260.63x = 9,504,809.91
  5. Step 5: Solve for x
    x = 9,504,809.91/4,260.63
  6. Step 6: Final answer
    x = 2,230.85

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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.