Home / 8,388.47-11,575.39-4,611.53

Finding the Fourth Proportional to 8,388.47, 11,575.39 and 4,611.53

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Solution

The fourth proportional to 8,388.47, 11,575.39 and 4,611.53 is: 6,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.47 : 11,575.39 = 4,611.53 : x
  2. Step 2: Convert to fraction form
    8,388.47/11,575.39 = 4,611.53/x
  3. Step 3: Cross multiply
    8,388.47x = 11,575.39 × 4,611.53
  4. Step 4: Simplify right side
    8,388.47x = 53,380,258.25
  5. Step 5: Solve for x
    x = 53,380,258.25/8,388.47
  6. Step 6: Final answer
    x = 6,363.53

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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.