Home / 8,285.88-11,430.78-4,926.86

Finding the Fourth Proportional to 8,285.88, 11,430.78 and 4,926.86

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Solution

The fourth proportional to 8,285.88, 11,430.78 and 4,926.86 is: 6,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.88 : 11,430.78 = 4,926.86 : x
  2. Step 2: Convert to fraction form
    8,285.88/11,430.78 = 4,926.86/x
  3. Step 3: Cross multiply
    8,285.88x = 11,430.78 × 4,926.86
  4. Step 4: Simplify right side
    8,285.88x = 56,317,852.75
  5. Step 5: Solve for x
    x = 56,317,852.75/8,285.88
  6. Step 6: Final answer
    x = 6,796.85

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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.