Home / 7,887.46-11,836.86-4,601.56

Finding the Fourth Proportional to 7,887.46, 11,836.86 and 4,601.56

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Solution

The fourth proportional to 7,887.46, 11,836.86 and 4,601.56 is: 6,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.46 : 11,836.86 = 4,601.56 : x
  2. Step 2: Convert to fraction form
    7,887.46/11,836.86 = 4,601.56/x
  3. Step 3: Cross multiply
    7,887.46x = 11,836.86 × 4,601.56
  4. Step 4: Simplify right side
    7,887.46x = 54,468,021.50
  5. Step 5: Solve for x
    x = 54,468,021.50/7,887.46
  6. Step 6: Final answer
    x = 6,905.65

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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.