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Finding the Fourth Proportional to 8,047.64, 11,105.88 and 4,510.64

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Solution

The fourth proportional to 8,047.64, 11,105.88 and 4,510.64 is: 6,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.64 : 11,105.88 = 4,510.64 : x
  2. Step 2: Convert to fraction form
    8,047.64/11,105.88 = 4,510.64/x
  3. Step 3: Cross multiply
    8,047.64x = 11,105.88 × 4,510.64
  4. Step 4: Simplify right side
    8,047.64x = 50,094,626.56
  5. Step 5: Solve for x
    x = 50,094,626.56/8,047.64
  6. Step 6: Final answer
    x = 6,224.76

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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.