Home / 8,247.48-11,379.84-4,711.86

Finding the Fourth Proportional to 8,247.48, 11,379.84 and 4,711.86

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Solution

The fourth proportional to 8,247.48, 11,379.84 and 4,711.86 is: 6,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.48 : 11,379.84 = 4,711.86 : x
  2. Step 2: Convert to fraction form
    8,247.48/11,379.84 = 4,711.86/x
  3. Step 3: Cross multiply
    8,247.48x = 11,379.84 × 4,711.86
  4. Step 4: Simplify right side
    8,247.48x = 53,620,212.90
  5. Step 5: Solve for x
    x = 53,620,212.90/8,247.48
  6. Step 6: Final answer
    x = 6,501.41

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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.