Home / 4,142.40-6,203.88-3,210.54

Finding the Fourth Proportional to 4,142.40, 6,203.88 and 3,210.54

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Solution

The fourth proportional to 4,142.40, 6,203.88 and 3,210.54 is: 4,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.40 : 6,203.88 = 3,210.54 : x
  2. Step 2: Convert to fraction form
    4,142.40/6,203.88 = 3,210.54/x
  3. Step 3: Cross multiply
    4,142.40x = 6,203.88 × 3,210.54
  4. Step 4: Simplify right side
    4,142.40x = 19,917,804.90
  5. Step 5: Solve for x
    x = 19,917,804.90/4,142.40
  6. Step 6: Final answer
    x = 4,808.28

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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.