Home / 5,238.84-7,859.70-1,776.36

Finding the Fourth Proportional to 5,238.84, 7,859.70 and 1,776.36

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Solution

The fourth proportional to 5,238.84, 7,859.70 and 1,776.36 is: 2,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.84 : 7,859.70 = 1,776.36 : x
  2. Step 2: Convert to fraction form
    5,238.84/7,859.70 = 1,776.36/x
  3. Step 3: Cross multiply
    5,238.84x = 7,859.70 × 1,776.36
  4. Step 4: Simplify right side
    5,238.84x = 13,961,656.69
  5. Step 5: Solve for x
    x = 13,961,656.69/5,238.84
  6. Step 6: Final answer
    x = 2,665.03

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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.