Home / 7,457.36-11,187.38-3,072.42

Finding the Fourth Proportional to 7,457.36, 11,187.38 and 3,072.42

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Solution

The fourth proportional to 7,457.36, 11,187.38 and 3,072.42 is: 4,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.36 : 11,187.38 = 3,072.42 : x
  2. Step 2: Convert to fraction form
    7,457.36/11,187.38 = 3,072.42/x
  3. Step 3: Cross multiply
    7,457.36x = 11,187.38 × 3,072.42
  4. Step 4: Simplify right side
    7,457.36x = 34,372,314.70
  5. Step 5: Solve for x
    x = 34,372,314.70/7,457.36
  6. Step 6: Final answer
    x = 4,609.18

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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.