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Finding the Fourth Proportional to 8,806.48, 13,210.28 and 2,650.48

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Solution

The fourth proportional to 8,806.48, 13,210.28 and 2,650.48 is: 3,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.48 : 13,210.28 = 2,650.48 : x
  2. Step 2: Convert to fraction form
    8,806.48/13,210.28 = 2,650.48/x
  3. Step 3: Cross multiply
    8,806.48x = 13,210.28 × 2,650.48
  4. Step 4: Simplify right side
    8,806.48x = 35,013,582.93
  5. Step 5: Solve for x
    x = 35,013,582.93/8,806.48
  6. Step 6: Final answer
    x = 3,975.89

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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.