Home / 7,829.76-11,740.88-4,543.86

Finding the Fourth Proportional to 7,829.76, 11,740.88 and 4,543.86

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Solution

The fourth proportional to 7,829.76, 11,740.88 and 4,543.86 is: 6,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.76 : 11,740.88 = 4,543.86 : x
  2. Step 2: Convert to fraction form
    7,829.76/11,740.88 = 4,543.86/x
  3. Step 3: Cross multiply
    7,829.76x = 11,740.88 × 4,543.86
  4. Step 4: Simplify right side
    7,829.76x = 53,348,915.00
  5. Step 5: Solve for x
    x = 53,348,915.00/7,829.76
  6. Step 6: Final answer
    x = 6,813.61

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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.