Home / 4,762.30-7,143.92-1,641.89

Finding the Fourth Proportional to 4,762.30, 7,143.92 and 1,641.89

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Solution

The fourth proportional to 4,762.30, 7,143.92 and 1,641.89 is: 2,463.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.30 : 7,143.92 = 1,641.89 : x
  2. Step 2: Convert to fraction form
    4,762.30/7,143.92 = 1,641.89/x
  3. Step 3: Cross multiply
    4,762.30x = 7,143.92 × 1,641.89
  4. Step 4: Simplify right side
    4,762.30x = 11,729,546.62
  5. Step 5: Solve for x
    x = 11,729,546.62/4,762.30
  6. Step 6: Final answer
    x = 2,463.00

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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.