Home / 4,890.00-7,334.99-2,115.92

Finding the Fourth Proportional to 4,890.00, 7,334.99 and 2,115.92

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Solution

The fourth proportional to 4,890.00, 7,334.99 and 2,115.92 is: 3,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.00 : 7,334.99 = 2,115.92 : x
  2. Step 2: Convert to fraction form
    4,890.00/7,334.99 = 2,115.92/x
  3. Step 3: Cross multiply
    4,890.00x = 7,334.99 × 2,115.92
  4. Step 4: Simplify right side
    4,890.00x = 15,520,276.66
  5. Step 5: Solve for x
    x = 15,520,276.66/4,890.00
  6. Step 6: Final answer
    x = 3,173.88

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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.