Home / 7,703.20-10,630.34-4,166.38

Finding the Fourth Proportional to 7,703.20, 10,630.34 and 4,166.38

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Solution

The fourth proportional to 7,703.20, 10,630.34 and 4,166.38 is: 5,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.20 : 10,630.34 = 4,166.38 : x
  2. Step 2: Convert to fraction form
    7,703.20/10,630.34 = 4,166.38/x
  3. Step 3: Cross multiply
    7,703.20x = 10,630.34 × 4,166.38
  4. Step 4: Simplify right side
    7,703.20x = 44,290,035.97
  5. Step 5: Solve for x
    x = 44,290,035.97/7,703.20
  6. Step 6: Final answer
    x = 5,749.56

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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.