Home / 5,485.84-7,570.32-3,247.75

Finding the Fourth Proportional to 5,485.84, 7,570.32 and 3,247.75

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Solution

The fourth proportional to 5,485.84, 7,570.32 and 3,247.75 is: 4,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.84 : 7,570.32 = 3,247.75 : x
  2. Step 2: Convert to fraction form
    5,485.84/7,570.32 = 3,247.75/x
  3. Step 3: Cross multiply
    5,485.84x = 7,570.32 × 3,247.75
  4. Step 4: Simplify right side
    5,485.84x = 24,586,506.78
  5. Step 5: Solve for x
    x = 24,586,506.78/5,485.84
  6. Step 6: Final answer
    x = 4,481.81

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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.