Home / 5,531.85-7,635.09-3,408.45

Finding the Fourth Proportional to 5,531.85, 7,635.09 and 3,408.45

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Solution

The fourth proportional to 5,531.85, 7,635.09 and 3,408.45 is: 4,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.85 : 7,635.09 = 3,408.45 : x
  2. Step 2: Convert to fraction form
    5,531.85/7,635.09 = 3,408.45/x
  3. Step 3: Cross multiply
    5,531.85x = 7,635.09 × 3,408.45
  4. Step 4: Simplify right side
    5,531.85x = 26,023,822.51
  5. Step 5: Solve for x
    x = 26,023,822.51/5,531.85
  6. Step 6: Final answer
    x = 4,704.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.