Home / 5,250.61-7,869.16-2,784.84

Finding the Fourth Proportional to 5,250.61, 7,869.16 and 2,784.84

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Solution

The fourth proportional to 5,250.61, 7,869.16 and 2,784.84 is: 4,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.61 : 7,869.16 = 2,784.84 : x
  2. Step 2: Convert to fraction form
    5,250.61/7,869.16 = 2,784.84/x
  3. Step 3: Cross multiply
    5,250.61x = 7,869.16 × 2,784.84
  4. Step 4: Simplify right side
    5,250.61x = 21,914,351.53
  5. Step 5: Solve for x
    x = 21,914,351.53/5,250.61
  6. Step 6: Final answer
    x = 4,173.68

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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.