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Finding the Fourth Proportional to 4,983.92, 7,485.60 and 4,060.16

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Solution

The fourth proportional to 4,983.92, 7,485.60 and 4,060.16 is: 6,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.92 : 7,485.60 = 4,060.16 : x
  2. Step 2: Convert to fraction form
    4,983.92/7,485.60 = 4,060.16/x
  3. Step 3: Cross multiply
    4,983.92x = 7,485.60 × 4,060.16
  4. Step 4: Simplify right side
    4,983.92x = 30,392,733.70
  5. Step 5: Solve for x
    x = 30,392,733.70/4,983.92
  6. Step 6: Final answer
    x = 6,098.16

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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.