Home / 4,738.65-6,538.28-3,620.85

Finding the Fourth Proportional to 4,738.65, 6,538.28 and 3,620.85

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Solution

The fourth proportional to 4,738.65, 6,538.28 and 3,620.85 is: 4,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.65 : 6,538.28 = 3,620.85 : x
  2. Step 2: Convert to fraction form
    4,738.65/6,538.28 = 3,620.85/x
  3. Step 3: Cross multiply
    4,738.65x = 6,538.28 × 3,620.85
  4. Step 4: Simplify right side
    4,738.65x = 23,674,113.03
  5. Step 5: Solve for x
    x = 23,674,113.03/4,738.65
  6. Step 6: Final answer
    x = 4,995.96

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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.