Home / 7,749.11-10,693.41-4,391.72

Finding the Fourth Proportional to 7,749.11, 10,693.41 and 4,391.72

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Solution

The fourth proportional to 7,749.11, 10,693.41 and 4,391.72 is: 6,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.11 : 10,693.41 = 4,391.72 : x
  2. Step 2: Convert to fraction form
    7,749.11/10,693.41 = 4,391.72/x
  3. Step 3: Cross multiply
    7,749.11x = 10,693.41 × 4,391.72
  4. Step 4: Simplify right side
    7,749.11x = 46,962,462.57
  5. Step 5: Solve for x
    x = 46,962,462.57/7,749.11
  6. Step 6: Final answer
    x = 6,060.37

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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.