Home / 7,880.52-11,821.19-2,037.18

Finding the Fourth Proportional to 7,880.52, 11,821.19 and 2,037.18

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Solution

The fourth proportional to 7,880.52, 11,821.19 and 2,037.18 is: 3,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.52 : 11,821.19 = 2,037.18 : x
  2. Step 2: Convert to fraction form
    7,880.52/11,821.19 = 2,037.18/x
  3. Step 3: Cross multiply
    7,880.52x = 11,821.19 × 2,037.18
  4. Step 4: Simplify right side
    7,880.52x = 24,081,941.27
  5. Step 5: Solve for x
    x = 24,081,941.27/7,880.52
  6. Step 6: Final answer
    x = 3,055.88

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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.