Home / 7,389.41-11,081.74-2,457.73

Finding the Fourth Proportional to 7,389.41, 11,081.74 and 2,457.73

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Solution

The fourth proportional to 7,389.41, 11,081.74 and 2,457.73 is: 3,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.41 : 11,081.74 = 2,457.73 : x
  2. Step 2: Convert to fraction form
    7,389.41/11,081.74 = 2,457.73/x
  3. Step 3: Cross multiply
    7,389.41x = 11,081.74 × 2,457.73
  4. Step 4: Simplify right side
    7,389.41x = 27,235,867.92
  5. Step 5: Solve for x
    x = 27,235,867.92/7,389.41
  6. Step 6: Final answer
    x = 3,685.80

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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.