Home / 4,822.38-6,660.35-3,247.74

Finding the Fourth Proportional to 4,822.38, 6,660.35 and 3,247.74

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Solution

The fourth proportional to 4,822.38, 6,660.35 and 3,247.74 is: 4,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.38 : 6,660.35 = 3,247.74 : x
  2. Step 2: Convert to fraction form
    4,822.38/6,660.35 = 3,247.74/x
  3. Step 3: Cross multiply
    4,822.38x = 6,660.35 × 3,247.74
  4. Step 4: Simplify right side
    4,822.38x = 21,631,085.11
  5. Step 5: Solve for x
    x = 21,631,085.11/4,822.38
  6. Step 6: Final answer
    x = 4,485.56

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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.