Home / 8,040.32-12,050.76-4,142.60

Finding the Fourth Proportional to 8,040.32, 12,050.76 and 4,142.60

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Solution

The fourth proportional to 8,040.32, 12,050.76 and 4,142.60 is: 6,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.32 : 12,050.76 = 4,142.60 : x
  2. Step 2: Convert to fraction form
    8,040.32/12,050.76 = 4,142.60/x
  3. Step 3: Cross multiply
    8,040.32x = 12,050.76 × 4,142.60
  4. Step 4: Simplify right side
    8,040.32x = 49,921,478.38
  5. Step 5: Solve for x
    x = 49,921,478.38/8,040.32
  6. Step 6: Final answer
    x = 6,208.89

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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.