Home / 8,001.20-11,039.76-4,856.80

Finding the Fourth Proportional to 8,001.20, 11,039.76 and 4,856.80

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Solution

The fourth proportional to 8,001.20, 11,039.76 and 4,856.80 is: 6,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.20 : 11,039.76 = 4,856.80 : x
  2. Step 2: Convert to fraction form
    8,001.20/11,039.76 = 4,856.80/x
  3. Step 3: Cross multiply
    8,001.20x = 11,039.76 × 4,856.80
  4. Step 4: Simplify right side
    8,001.20x = 53,617,906.37
  5. Step 5: Solve for x
    x = 53,617,906.37/8,001.20
  6. Step 6: Final answer
    x = 6,701.23

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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.