Home / 7,881.04-11,821.44-2,037.60

Finding the Fourth Proportional to 7,881.04, 11,821.44 and 2,037.60

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Solution

The fourth proportional to 7,881.04, 11,821.44 and 2,037.60 is: 3,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.04 : 11,821.44 = 2,037.60 : x
  2. Step 2: Convert to fraction form
    7,881.04/11,821.44 = 2,037.60/x
  3. Step 3: Cross multiply
    7,881.04x = 11,821.44 × 2,037.60
  4. Step 4: Simplify right side
    7,881.04x = 24,087,366.14
  5. Step 5: Solve for x
    x = 24,087,366.14/7,881.04
  6. Step 6: Final answer
    x = 3,056.37

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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.