Home / 8,005.56-12,017.22-4,720.96

Finding the Fourth Proportional to 8,005.56, 12,017.22 and 4,720.96

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Solution

The fourth proportional to 8,005.56, 12,017.22 and 4,720.96 is: 7,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.56 : 12,017.22 = 4,720.96 : x
  2. Step 2: Convert to fraction form
    8,005.56/12,017.22 = 4,720.96/x
  3. Step 3: Cross multiply
    8,005.56x = 12,017.22 × 4,720.96
  4. Step 4: Simplify right side
    8,005.56x = 56,732,814.93
  5. Step 5: Solve for x
    x = 56,732,814.93/8,005.56
  6. Step 6: Final answer
    x = 7,086.68

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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.