Home / 7,880.34-11,822.55-3,496.74

Finding the Fourth Proportional to 7,880.34, 11,822.55 and 3,496.74

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Solution

The fourth proportional to 7,880.34, 11,822.55 and 3,496.74 is: 5,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.34 : 11,822.55 = 3,496.74 : x
  2. Step 2: Convert to fraction form
    7,880.34/11,822.55 = 3,496.74/x
  3. Step 3: Cross multiply
    7,880.34x = 11,822.55 × 3,496.74
  4. Step 4: Simplify right side
    7,880.34x = 41,340,383.49
  5. Step 5: Solve for x
    x = 41,340,383.49/7,880.34
  6. Step 6: Final answer
    x = 5,246.02

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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.