Home / 4,790.17-7,182.82-2,190.88

Finding the Fourth Proportional to 4,790.17, 7,182.82 and 2,190.88

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Solution

The fourth proportional to 4,790.17, 7,182.82 and 2,190.88 is: 3,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.17 : 7,182.82 = 2,190.88 : x
  2. Step 2: Convert to fraction form
    4,790.17/7,182.82 = 2,190.88/x
  3. Step 3: Cross multiply
    4,790.17x = 7,182.82 × 2,190.88
  4. Step 4: Simplify right side
    4,790.17x = 15,736,649.81
  5. Step 5: Solve for x
    x = 15,736,649.81/4,790.17
  6. Step 6: Final answer
    x = 3,285.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.