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Finding the Fourth Proportional to 5,611.58, 8,415.97 and 2,325.58

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Solution

The fourth proportional to 5,611.58, 8,415.97 and 2,325.58 is: 3,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.58 : 8,415.97 = 2,325.58 : x
  2. Step 2: Convert to fraction form
    5,611.58/8,415.97 = 2,325.58/x
  3. Step 3: Cross multiply
    5,611.58x = 8,415.97 × 2,325.58
  4. Step 4: Simplify right side
    5,611.58x = 19,572,011.51
  5. Step 5: Solve for x
    x = 19,572,011.51/5,611.58
  6. Step 6: Final answer
    x = 3,487.79

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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.