Home / 7,990.94-11,027.46-4,635.70

Finding the Fourth Proportional to 7,990.94, 11,027.46 and 4,635.70

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Solution

The fourth proportional to 7,990.94, 11,027.46 and 4,635.70 is: 6,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.94 : 11,027.46 = 4,635.70 : x
  2. Step 2: Convert to fraction form
    7,990.94/11,027.46 = 4,635.70/x
  3. Step 3: Cross multiply
    7,990.94x = 11,027.46 × 4,635.70
  4. Step 4: Simplify right side
    7,990.94x = 51,119,996.32
  5. Step 5: Solve for x
    x = 51,119,996.32/7,990.94
  6. Step 6: Final answer
    x = 6,397.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.