Home / 4,728.06-6,519.33-3,980.88

Finding the Fourth Proportional to 4,728.06, 6,519.33 and 3,980.88

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Solution

The fourth proportional to 4,728.06, 6,519.33 and 3,980.88 is: 5,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.06 : 6,519.33 = 3,980.88 : x
  2. Step 2: Convert to fraction form
    4,728.06/6,519.33 = 3,980.88/x
  3. Step 3: Cross multiply
    4,728.06x = 6,519.33 × 3,980.88
  4. Step 4: Simplify right side
    4,728.06x = 25,952,670.41
  5. Step 5: Solve for x
    x = 25,952,670.41/4,728.06
  6. Step 6: Final answer
    x = 5,489.07

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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.