Home / 7,749.57-11,605.89-4,234.35

Finding the Fourth Proportional to 7,749.57, 11,605.89 and 4,234.35

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Solution

The fourth proportional to 7,749.57, 11,605.89 and 4,234.35 is: 6,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.57 : 11,605.89 = 4,234.35 : x
  2. Step 2: Convert to fraction form
    7,749.57/11,605.89 = 4,234.35/x
  3. Step 3: Cross multiply
    7,749.57x = 11,605.89 × 4,234.35
  4. Step 4: Simplify right side
    7,749.57x = 49,143,400.32
  5. Step 5: Solve for x
    x = 49,143,400.32/7,749.57
  6. Step 6: Final answer
    x = 6,341.44

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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.