Home / 5,340.90-8,009.73-2,705.97

Finding the Fourth Proportional to 5,340.90, 8,009.73 and 2,705.97

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Solution

The fourth proportional to 5,340.90, 8,009.73 and 2,705.97 is: 4,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.90 : 8,009.73 = 2,705.97 : x
  2. Step 2: Convert to fraction form
    5,340.90/8,009.73 = 2,705.97/x
  3. Step 3: Cross multiply
    5,340.90x = 8,009.73 × 2,705.97
  4. Step 4: Simplify right side
    5,340.90x = 21,674,089.09
  5. Step 5: Solve for x
    x = 21,674,089.09/5,340.90
  6. Step 6: Final answer
    x = 4,058.13

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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.