Home / 7,865.23-11,783.94-4,159.24

Finding the Fourth Proportional to 7,865.23, 11,783.94 and 4,159.24

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Solution

The fourth proportional to 7,865.23, 11,783.94 and 4,159.24 is: 6,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.23 : 11,783.94 = 4,159.24 : x
  2. Step 2: Convert to fraction form
    7,865.23/11,783.94 = 4,159.24/x
  3. Step 3: Cross multiply
    7,865.23x = 11,783.94 × 4,159.24
  4. Step 4: Simplify right side
    7,865.23x = 49,012,234.61
  5. Step 5: Solve for x
    x = 49,012,234.61/7,865.23
  6. Step 6: Final answer
    x = 6,231.51

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1.5x scale

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.