Home / 8,912.96-12,296.04-5,554.88

Finding the Fourth Proportional to 8,912.96, 12,296.04 and 5,554.88

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Solution

The fourth proportional to 8,912.96, 12,296.04 and 5,554.88 is: 7,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.96 : 12,296.04 = 5,554.88 : x
  2. Step 2: Convert to fraction form
    8,912.96/12,296.04 = 5,554.88/x
  3. Step 3: Cross multiply
    8,912.96x = 12,296.04 × 5,554.88
  4. Step 4: Simplify right side
    8,912.96x = 68,303,026.68
  5. Step 5: Solve for x
    x = 68,303,026.68/8,912.96
  6. Step 6: Final answer
    x = 7,663.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.