Home / 5,768.42-7,960.45-3,250.57

Finding the Fourth Proportional to 5,768.42, 7,960.45 and 3,250.57

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Solution

The fourth proportional to 5,768.42, 7,960.45 and 3,250.57 is: 4,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.42 : 7,960.45 = 3,250.57 : x
  2. Step 2: Convert to fraction form
    5,768.42/7,960.45 = 3,250.57/x
  3. Step 3: Cross multiply
    5,768.42x = 7,960.45 × 3,250.57
  4. Step 4: Simplify right side
    5,768.42x = 25,875,999.96
  5. Step 5: Solve for x
    x = 25,875,999.96/5,768.42
  6. Step 6: Final answer
    x = 4,485.80

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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.