Home / 8,388.32-11,575.98-4,611.89

Finding the Fourth Proportional to 8,388.32, 11,575.98 and 4,611.89

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Solution

The fourth proportional to 8,388.32, 11,575.98 and 4,611.89 is: 6,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.32 : 11,575.98 = 4,611.89 : x
  2. Step 2: Convert to fraction form
    8,388.32/11,575.98 = 4,611.89/x
  3. Step 3: Cross multiply
    8,388.32x = 11,575.98 × 4,611.89
  4. Step 4: Simplify right side
    8,388.32x = 53,387,175.34
  5. Step 5: Solve for x
    x = 53,387,175.34/8,388.32
  6. Step 6: Final answer
    x = 6,364.47

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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.