Home / 8,071.66-12,108.18-2,228.27

Finding the Fourth Proportional to 8,071.66, 12,108.18 and 2,228.27

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Solution

The fourth proportional to 8,071.66, 12,108.18 and 2,228.27 is: 3,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.66 : 12,108.18 = 2,228.27 : x
  2. Step 2: Convert to fraction form
    8,071.66/12,108.18 = 2,228.27/x
  3. Step 3: Cross multiply
    8,071.66x = 12,108.18 × 2,228.27
  4. Step 4: Simplify right side
    8,071.66x = 26,980,294.25
  5. Step 5: Solve for x
    x = 26,980,294.25/8,071.66
  6. Step 6: Final answer
    x = 3,342.60

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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.