Home / 4,127.81-6,192.59-1,205.87

Finding the Fourth Proportional to 4,127.81, 6,192.59 and 1,205.87

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Solution

The fourth proportional to 4,127.81, 6,192.59 and 1,205.87 is: 1,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.81 : 6,192.59 = 1,205.87 : x
  2. Step 2: Convert to fraction form
    4,127.81/6,192.59 = 1,205.87/x
  3. Step 3: Cross multiply
    4,127.81x = 6,192.59 × 1,205.87
  4. Step 4: Simplify right side
    4,127.81x = 7,467,421.51
  5. Step 5: Solve for x
    x = 7,467,421.51/4,127.81
  6. Step 6: Final answer
    x = 1,809.05

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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.