Home / 5,186.33-7,781.45-1,901.67

Finding the Fourth Proportional to 5,186.33, 7,781.45 and 1,901.67

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Solution

The fourth proportional to 5,186.33, 7,781.45 and 1,901.67 is: 2,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.33 : 7,781.45 = 1,901.67 : x
  2. Step 2: Convert to fraction form
    5,186.33/7,781.45 = 1,901.67/x
  3. Step 3: Cross multiply
    5,186.33x = 7,781.45 × 1,901.67
  4. Step 4: Simplify right side
    5,186.33x = 14,797,740.51
  5. Step 5: Solve for x
    x = 14,797,740.51/5,186.33
  6. Step 6: Final answer
    x = 2,853.22

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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.