Home / 7,457.88-11,178.61-3,072.94

Finding the Fourth Proportional to 7,457.88, 11,178.61 and 3,072.94

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Solution

The fourth proportional to 7,457.88, 11,178.61 and 3,072.94 is: 4,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.88 : 11,178.61 = 3,072.94 : x
  2. Step 2: Convert to fraction form
    7,457.88/11,178.61 = 3,072.94/x
  3. Step 3: Cross multiply
    7,457.88x = 11,178.61 × 3,072.94
  4. Step 4: Simplify right side
    7,457.88x = 34,351,197.81
  5. Step 5: Solve for x
    x = 34,351,197.81/7,457.88
  6. Step 6: Final answer
    x = 4,606.03

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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.