Home / 4,780.93-6,599.90-3,190.21

Finding the Fourth Proportional to 4,780.93, 6,599.90 and 3,190.21

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Solution

The fourth proportional to 4,780.93, 6,599.90 and 3,190.21 is: 4,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.93 : 6,599.90 = 3,190.21 : x
  2. Step 2: Convert to fraction form
    4,780.93/6,599.90 = 3,190.21/x
  3. Step 3: Cross multiply
    4,780.93x = 6,599.90 × 3,190.21
  4. Step 4: Simplify right side
    4,780.93x = 21,055,066.98
  5. Step 5: Solve for x
    x = 21,055,066.98/4,780.93
  6. Step 6: Final answer
    x = 4,403.97

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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.