Home / 7,997.45-11,980.59-4,869.70

Finding the Fourth Proportional to 7,997.45, 11,980.59 and 4,869.70

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Solution

The fourth proportional to 7,997.45, 11,980.59 and 4,869.70 is: 7,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.45 : 11,980.59 = 4,869.70 : x
  2. Step 2: Convert to fraction form
    7,997.45/11,980.59 = 4,869.70/x
  3. Step 3: Cross multiply
    7,997.45x = 11,980.59 × 4,869.70
  4. Step 4: Simplify right side
    7,997.45x = 58,341,879.12
  5. Step 5: Solve for x
    x = 58,341,879.12/7,997.45
  6. Step 6: Final answer
    x = 7,295.06

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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.