Home / 5,163.84-7,125.93-2,805.93

Finding the Fourth Proportional to 5,163.84, 7,125.93 and 2,805.93

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Solution

The fourth proportional to 5,163.84, 7,125.93 and 2,805.93 is: 3,872.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.84 : 7,125.93 = 2,805.93 : x
  2. Step 2: Convert to fraction form
    5,163.84/7,125.93 = 2,805.93/x
  3. Step 3: Cross multiply
    5,163.84x = 7,125.93 × 2,805.93
  4. Step 4: Simplify right side
    5,163.84x = 19,994,860.76
  5. Step 5: Solve for x
    x = 19,994,860.76/5,163.84
  6. Step 6: Final answer
    x = 3,872.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.