Home / 7,999.46-11,983.58-4,871.70

Finding the Fourth Proportional to 7,999.46, 11,983.58 and 4,871.70

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Solution

The fourth proportional to 7,999.46, 11,983.58 and 4,871.70 is: 7,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.46 : 11,983.58 = 4,871.70 : x
  2. Step 2: Convert to fraction form
    7,999.46/11,983.58 = 4,871.70/x
  3. Step 3: Cross multiply
    7,999.46x = 11,983.58 × 4,871.70
  4. Step 4: Simplify right side
    7,999.46x = 58,380,406.69
  5. Step 5: Solve for x
    x = 58,380,406.69/7,999.46
  6. Step 6: Final answer
    x = 7,298.04

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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.