Home / 7,905.92-11,861.76-4,012.16

Finding the Fourth Proportional to 7,905.92, 11,861.76 and 4,012.16

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Solution

The fourth proportional to 7,905.92, 11,861.76 and 4,012.16 is: 6,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.92 : 11,861.76 = 4,012.16 : x
  2. Step 2: Convert to fraction form
    7,905.92/11,861.76 = 4,012.16/x
  3. Step 3: Cross multiply
    7,905.92x = 11,861.76 × 4,012.16
  4. Step 4: Simplify right side
    7,905.92x = 47,591,279.00
  5. Step 5: Solve for x
    x = 47,591,279.00/7,905.92
  6. Step 6: Final answer
    x = 6,019.70

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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.