Home / 4,270.47-6,406.37-1,805.30

Finding the Fourth Proportional to 4,270.47, 6,406.37 and 1,805.30

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Solution

The fourth proportional to 4,270.47, 6,406.37 and 1,805.30 is: 2,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.47 : 6,406.37 = 1,805.30 : x
  2. Step 2: Convert to fraction form
    4,270.47/6,406.37 = 1,805.30/x
  3. Step 3: Cross multiply
    4,270.47x = 6,406.37 × 1,805.30
  4. Step 4: Simplify right side
    4,270.47x = 11,565,455.69
  5. Step 5: Solve for x
    x = 11,565,455.69/4,270.47
  6. Step 6: Final answer
    x = 2,708.24

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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.