Home / 4,806.56-6,635.19-3,215.72

Finding the Fourth Proportional to 4,806.56, 6,635.19 and 3,215.72

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Solution

The fourth proportional to 4,806.56, 6,635.19 and 3,215.72 is: 4,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806.56 : 6,635.19 = 3,215.72 : x
  2. Step 2: Convert to fraction form
    4,806.56/6,635.19 = 3,215.72/x
  3. Step 3: Cross multiply
    4,806.56x = 6,635.19 × 3,215.72
  4. Step 4: Simplify right side
    4,806.56x = 21,336,913.19
  5. Step 5: Solve for x
    x = 21,336,913.19/4,806.56
  6. Step 6: Final answer
    x = 4,439.12

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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.