Home / 4,738.60-6,538.98-3,620.08

Finding the Fourth Proportional to 4,738.60, 6,538.98 and 3,620.08

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Solution

The fourth proportional to 4,738.60, 6,538.98 and 3,620.08 is: 4,995.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.60 : 6,538.98 = 3,620.08 : x
  2. Step 2: Convert to fraction form
    4,738.60/6,538.98 = 3,620.08/x
  3. Step 3: Cross multiply
    4,738.60x = 6,538.98 × 3,620.08
  4. Step 4: Simplify right side
    4,738.60x = 23,671,630.72
  5. Step 5: Solve for x
    x = 23,671,630.72/4,738.60
  6. Step 6: Final answer
    x = 4,995.49

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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.