Home / 8,723.75-13,070.58-4,777.85

Finding the Fourth Proportional to 8,723.75, 13,070.58 and 4,777.85

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Solution

The fourth proportional to 8,723.75, 13,070.58 and 4,777.85 is: 7,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.75 : 13,070.58 = 4,777.85 : x
  2. Step 2: Convert to fraction form
    8,723.75/13,070.58 = 4,777.85/x
  3. Step 3: Cross multiply
    8,723.75x = 13,070.58 × 4,777.85
  4. Step 4: Simplify right side
    8,723.75x = 62,449,270.65
  5. Step 5: Solve for x
    x = 62,449,270.65/8,723.75
  6. Step 6: Final answer
    x = 7,158.54

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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.