Home / 4,203.18-6,305.46-3,430.02

Finding the Fourth Proportional to 4,203.18, 6,305.46 and 3,430.02

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Solution

The fourth proportional to 4,203.18, 6,305.46 and 3,430.02 is: 5,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.18 : 6,305.46 = 3,430.02 : x
  2. Step 2: Convert to fraction form
    4,203.18/6,305.46 = 3,430.02/x
  3. Step 3: Cross multiply
    4,203.18x = 6,305.46 × 3,430.02
  4. Step 4: Simplify right side
    4,203.18x = 21,627,853.91
  5. Step 5: Solve for x
    x = 21,627,853.91/4,203.18
  6. Step 6: Final answer
    x = 5,145.59

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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.