Home / 8,040.15-12,064.32-4,713.20

Finding the Fourth Proportional to 8,040.15, 12,064.32 and 4,713.20

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Solution

The fourth proportional to 8,040.15, 12,064.32 and 4,713.20 is: 7,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.15 : 12,064.32 = 4,713.20 : x
  2. Step 2: Convert to fraction form
    8,040.15/12,064.32 = 4,713.20/x
  3. Step 3: Cross multiply
    8,040.15x = 12,064.32 × 4,713.20
  4. Step 4: Simplify right side
    8,040.15x = 56,861,553.02
  5. Step 5: Solve for x
    x = 56,861,553.02/8,040.15
  6. Step 6: Final answer
    x = 7,072.20

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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.