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Finding the Fourth Proportional to 8,768.04, 13,078.92 and 7,927.26

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Solution

The fourth proportional to 8,768.04, 13,078.92 and 7,927.26 is: 11,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.04 : 13,078.92 = 7,927.26 : x
  2. Step 2: Convert to fraction form
    8,768.04/13,078.92 = 7,927.26/x
  3. Step 3: Cross multiply
    8,768.04x = 13,078.92 × 7,927.26
  4. Step 4: Simplify right side
    8,768.04x = 103,679,999.36
  5. Step 5: Solve for x
    x = 103,679,999.36/8,768.04
  6. Step 6: Final answer
    x = 11,824.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.