Home / 5,611.18-8,416.83-3,675.70

Finding the Fourth Proportional to 5,611.18, 8,416.83 and 3,675.70

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Solution

The fourth proportional to 5,611.18, 8,416.83 and 3,675.70 is: 5,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.18 : 8,416.83 = 3,675.70 : x
  2. Step 2: Convert to fraction form
    5,611.18/8,416.83 = 3,675.70/x
  3. Step 3: Cross multiply
    5,611.18x = 8,416.83 × 3,675.70
  4. Step 4: Simplify right side
    5,611.18x = 30,937,742.03
  5. Step 5: Solve for x
    x = 30,937,742.03/5,611.18
  6. Step 6: Final answer
    x = 5,513.59

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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.