Home / 10,800.84-16,208.61-3,875.34

Finding the Fourth Proportional to 10,800.84, 16,208.61 and 3,875.34

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Solution

The fourth proportional to 10,800.84, 16,208.61 and 3,875.34 is: 5,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.84 : 16,208.61 = 3,875.34 : x
  2. Step 2: Convert to fraction form
    10,800.84/16,208.61 = 3,875.34/x
  3. Step 3: Cross multiply
    10,800.84x = 16,208.61 × 3,875.34
  4. Step 4: Simplify right side
    10,800.84x = 62,813,920.93
  5. Step 5: Solve for x
    x = 62,813,920.93/10,800.84
  6. Step 6: Final answer
    x = 5,815.65

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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.