Home / 8,296.08-11,428.56-6,969.84

Finding the Fourth Proportional to 8,296.08, 11,428.56 and 6,969.84

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Solution

The fourth proportional to 8,296.08, 11,428.56 and 6,969.84 is: 9,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.08 : 11,428.56 = 6,969.84 : x
  2. Step 2: Convert to fraction form
    8,296.08/11,428.56 = 6,969.84/x
  3. Step 3: Cross multiply
    8,296.08x = 11,428.56 × 6,969.84
  4. Step 4: Simplify right side
    8,296.08x = 79,655,234.63
  5. Step 5: Solve for x
    x = 79,655,234.63/8,296.08
  6. Step 6: Final answer
    x = 9,601.55

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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.