Home / 7,673.49-11,509.89-2,408.37

Finding the Fourth Proportional to 7,673.49, 11,509.89 and 2,408.37

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Solution

The fourth proportional to 7,673.49, 11,509.89 and 2,408.37 is: 3,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.49 : 11,509.89 = 2,408.37 : x
  2. Step 2: Convert to fraction form
    7,673.49/11,509.89 = 2,408.37/x
  3. Step 3: Cross multiply
    7,673.49x = 11,509.89 × 2,408.37
  4. Step 4: Simplify right side
    7,673.49x = 27,720,073.78
  5. Step 5: Solve for x
    x = 27,720,073.78/7,673.49
  6. Step 6: Final answer
    x = 3,612.45

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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.