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Finding the Fourth Proportional to 5,611.62, 7,747.01 and 4,349.84

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Solution

The fourth proportional to 5,611.62, 7,747.01 and 4,349.84 is: 6,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.62 : 7,747.01 = 4,349.84 : x
  2. Step 2: Convert to fraction form
    5,611.62/7,747.01 = 4,349.84/x
  3. Step 3: Cross multiply
    5,611.62x = 7,747.01 × 4,349.84
  4. Step 4: Simplify right side
    5,611.62x = 33,698,253.98
  5. Step 5: Solve for x
    x = 33,698,253.98/5,611.62
  6. Step 6: Final answer
    x = 6,005.08

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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.