Home / 6,289.51-9,435.24-1,905.92

Finding the Fourth Proportional to 6,289.51, 9,435.24 and 1,905.92

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Solution

The fourth proportional to 6,289.51, 9,435.24 and 1,905.92 is: 2,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.51 : 9,435.24 = 1,905.92 : x
  2. Step 2: Convert to fraction form
    6,289.51/9,435.24 = 1,905.92/x
  3. Step 3: Cross multiply
    6,289.51x = 9,435.24 × 1,905.92
  4. Step 4: Simplify right side
    6,289.51x = 17,982,836.21
  5. Step 5: Solve for x
    x = 17,982,836.21/6,289.51
  6. Step 6: Final answer
    x = 2,859.18

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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.