Home / 7,639.54-11,457.05-2,302.49

Finding the Fourth Proportional to 7,639.54, 11,457.05 and 2,302.49

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Solution

The fourth proportional to 7,639.54, 11,457.05 and 2,302.49 is: 3,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.54 : 11,457.05 = 2,302.49 : x
  2. Step 2: Convert to fraction form
    7,639.54/11,457.05 = 2,302.49/x
  3. Step 3: Cross multiply
    7,639.54x = 11,457.05 × 2,302.49
  4. Step 4: Simplify right side
    7,639.54x = 26,379,743.05
  5. Step 5: Solve for x
    x = 26,379,743.05/7,639.54
  6. Step 6: Final answer
    x = 3,453.05

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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.