Home / 4,272.81-6,410.13-1,351.35

Finding the Fourth Proportional to 4,272.81, 6,410.13 and 1,351.35

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Solution

The fourth proportional to 4,272.81, 6,410.13 and 1,351.35 is: 2,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.81 : 6,410.13 = 1,351.35 : x
  2. Step 2: Convert to fraction form
    4,272.81/6,410.13 = 1,351.35/x
  3. Step 3: Cross multiply
    4,272.81x = 6,410.13 × 1,351.35
  4. Step 4: Simplify right side
    4,272.81x = 8,662,329.18
  5. Step 5: Solve for x
    x = 8,662,329.18/4,272.81
  6. Step 6: Final answer
    x = 2,027.31

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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.