Home / 4,108.81-6,162.64-1,335.51

Finding the Fourth Proportional to 4,108.81, 6,162.64 and 1,335.51

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Solution

The fourth proportional to 4,108.81, 6,162.64 and 1,335.51 is: 2,003.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.81 : 6,162.64 = 1,335.51 : x
  2. Step 2: Convert to fraction form
    4,108.81/6,162.64 = 1,335.51/x
  3. Step 3: Cross multiply
    4,108.81x = 6,162.64 × 1,335.51
  4. Step 4: Simplify right side
    4,108.81x = 8,230,267.35
  5. Step 5: Solve for x
    x = 8,230,267.35/4,108.81
  6. Step 6: Final answer
    x = 2,003.08

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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.