Home / 5,611.18-8,416.90-2,686.27

Finding the Fourth Proportional to 5,611.18, 8,416.90 and 2,686.27

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Solution

The fourth proportional to 5,611.18, 8,416.90 and 2,686.27 is: 4,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.18 : 8,416.90 = 2,686.27 : x
  2. Step 2: Convert to fraction form
    5,611.18/8,416.90 = 2,686.27/x
  3. Step 3: Cross multiply
    5,611.18x = 8,416.90 × 2,686.27
  4. Step 4: Simplify right side
    5,611.18x = 22,610,065.96
  5. Step 5: Solve for x
    x = 22,610,065.96/5,611.18
  6. Step 6: Final answer
    x = 4,029.47

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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.