Home / 4,259.17-6,388.79-1,485.89

Finding the Fourth Proportional to 4,259.17, 6,388.79 and 1,485.89

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Solution

The fourth proportional to 4,259.17, 6,388.79 and 1,485.89 is: 2,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.17 : 6,388.79 = 1,485.89 : x
  2. Step 2: Convert to fraction form
    4,259.17/6,388.79 = 1,485.89/x
  3. Step 3: Cross multiply
    4,259.17x = 6,388.79 × 1,485.89
  4. Step 4: Simplify right side
    4,259.17x = 9,493,047.72
  5. Step 5: Solve for x
    x = 9,493,047.72/4,259.17
  6. Step 6: Final answer
    x = 2,228.85

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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.