Home / 5,282.51-7,912.09-3,612.68

Finding the Fourth Proportional to 5,282.51, 7,912.09 and 3,612.68

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Solution

The fourth proportional to 5,282.51, 7,912.09 and 3,612.68 is: 5,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.51 : 7,912.09 = 3,612.68 : x
  2. Step 2: Convert to fraction form
    5,282.51/7,912.09 = 3,612.68/x
  3. Step 3: Cross multiply
    5,282.51x = 7,912.09 × 3,612.68
  4. Step 4: Simplify right side
    5,282.51x = 28,583,830.38
  5. Step 5: Solve for x
    x = 28,583,830.38/5,282.51
  6. Step 6: Final answer
    x = 5,411.03

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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.