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Finding the Fourth Proportional to 8,009.92, 12,000.48 and 4,888.30

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Solution

The fourth proportional to 8,009.92, 12,000.48 and 4,888.30 is: 7,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.92 : 12,000.48 = 4,888.30 : x
  2. Step 2: Convert to fraction form
    8,009.92/12,000.48 = 4,888.30/x
  3. Step 3: Cross multiply
    8,009.92x = 12,000.48 × 4,888.30
  4. Step 4: Simplify right side
    8,009.92x = 58,661,946.38
  5. Step 5: Solve for x
    x = 58,661,946.38/8,009.92
  6. Step 6: Final answer
    x = 7,323.66

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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.