Home / 8,429.72-12,637.44-3,496.28

Finding the Fourth Proportional to 8,429.72, 12,637.44 and 3,496.28

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Solution

The fourth proportional to 8,429.72, 12,637.44 and 3,496.28 is: 5,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.72 : 12,637.44 = 3,496.28 : x
  2. Step 2: Convert to fraction form
    8,429.72/12,637.44 = 3,496.28/x
  3. Step 3: Cross multiply
    8,429.72x = 12,637.44 × 3,496.28
  4. Step 4: Simplify right side
    8,429.72x = 44,184,028.72
  5. Step 5: Solve for x
    x = 44,184,028.72/8,429.72
  6. Step 6: Final answer
    x = 5,241.46

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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.