Home / 7,899.46-11,827.30-3,995.70

Finding the Fourth Proportional to 7,899.46, 11,827.30 and 3,995.70

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Solution

The fourth proportional to 7,899.46, 11,827.30 and 3,995.70 is: 5,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.46 : 11,827.30 = 3,995.70 : x
  2. Step 2: Convert to fraction form
    7,899.46/11,827.30 = 3,995.70/x
  3. Step 3: Cross multiply
    7,899.46x = 11,827.30 × 3,995.70
  4. Step 4: Simplify right side
    7,899.46x = 47,258,342.61
  5. Step 5: Solve for x
    x = 47,258,342.61/7,899.46
  6. Step 6: Final answer
    x = 5,982.48

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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.