Home / 7,880.96-11,821.40-2,334.34

Finding the Fourth Proportional to 7,880.96, 11,821.40 and 2,334.34

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Solution

The fourth proportional to 7,880.96, 11,821.40 and 2,334.34 is: 3,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.96 : 11,821.40 = 2,334.34 : x
  2. Step 2: Convert to fraction form
    7,880.96/11,821.40 = 2,334.34/x
  3. Step 3: Cross multiply
    7,880.96x = 11,821.40 × 2,334.34
  4. Step 4: Simplify right side
    7,880.96x = 27,595,166.88
  5. Step 5: Solve for x
    x = 27,595,166.88/7,880.96
  6. Step 6: Final answer
    x = 3,501.50

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1.5x scale

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.