Home / 8,040.12-12,060.18-4,145.64

Finding the Fourth Proportional to 8,040.12, 12,060.18 and 4,145.64

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Solution

The fourth proportional to 8,040.12, 12,060.18 and 4,145.64 is: 6,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.12 : 12,060.18 = 4,145.64 : x
  2. Step 2: Convert to fraction form
    8,040.12/12,060.18 = 4,145.64/x
  3. Step 3: Cross multiply
    8,040.12x = 12,060.18 × 4,145.64
  4. Step 4: Simplify right side
    8,040.12x = 49,997,164.62
  5. Step 5: Solve for x
    x = 49,997,164.62/8,040.12
  6. Step 6: Final answer
    x = 6,218.46

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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.