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Finding the Fourth Proportional to 7,883.93, 11,837.54 and 5,267.63

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Solution

The fourth proportional to 7,883.93, 11,837.54 and 5,267.63 is: 7,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.93 : 11,837.54 = 5,267.63 : x
  2. Step 2: Convert to fraction form
    7,883.93/11,837.54 = 5,267.63/x
  3. Step 3: Cross multiply
    7,883.93x = 11,837.54 × 5,267.63
  4. Step 4: Simplify right side
    7,883.93x = 62,355,823.59
  5. Step 5: Solve for x
    x = 62,355,823.59/7,883.93
  6. Step 6: Final answer
    x = 7,909.23

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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.