Home / 8,414.18-11,611.50-4,637.50

Finding the Fourth Proportional to 8,414.18, 11,611.50 and 4,637.50

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Solution

The fourth proportional to 8,414.18, 11,611.50 and 4,637.50 is: 6,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.18 : 11,611.50 = 4,637.50 : x
  2. Step 2: Convert to fraction form
    8,414.18/11,611.50 = 4,637.50/x
  3. Step 3: Cross multiply
    8,414.18x = 11,611.50 × 4,637.50
  4. Step 4: Simplify right side
    8,414.18x = 53,848,331.25
  5. Step 5: Solve for x
    x = 53,848,331.25/8,414.18
  6. Step 6: Final answer
    x = 6,399.71

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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.