Home / 8,711.75-13,054.87-4,320.44

Finding the Fourth Proportional to 8,711.75, 13,054.87 and 4,320.44

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Solution

The fourth proportional to 8,711.75, 13,054.87 and 4,320.44 is: 6,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.75 : 13,054.87 = 4,320.44 : x
  2. Step 2: Convert to fraction form
    8,711.75/13,054.87 = 4,320.44/x
  3. Step 3: Cross multiply
    8,711.75x = 13,054.87 × 4,320.44
  4. Step 4: Simplify right side
    8,711.75x = 56,402,771.62
  5. Step 5: Solve for x
    x = 56,402,771.62/8,711.75
  6. Step 6: Final answer
    x = 6,474.33

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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.