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Finding the Fourth Proportional to 8,562, 11,814.39 and 4,784.79

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Solution

The fourth proportional to 8,562, 11,814.39 and 4,784.79 is: 6,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562 : 11,814.39 = 4,784.79 : x
  2. Step 2: Convert to fraction form
    8,562/11,814.39 = 4,784.79/x
  3. Step 3: Cross multiply
    8,562x = 11,814.39 × 4,784.79
  4. Step 4: Simplify right side
    8,562x = 56,529,375.13
  5. Step 5: Solve for x
    x = 56,529,375.13/8,562
  6. Step 6: Final answer
    x = 6,602.36

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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.