Home / 8,798.60-12,143.44-5,021.76

Finding the Fourth Proportional to 8,798.60, 12,143.44 and 5,021.76

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Solution

The fourth proportional to 8,798.60, 12,143.44 and 5,021.76 is: 6,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.60 : 12,143.44 = 5,021.76 : x
  2. Step 2: Convert to fraction form
    8,798.60/12,143.44 = 5,021.76/x
  3. Step 3: Cross multiply
    8,798.60x = 12,143.44 × 5,021.76
  4. Step 4: Simplify right side
    8,798.60x = 60,981,441.25
  5. Step 5: Solve for x
    x = 60,981,441.25/8,798.60
  6. Step 6: Final answer
    x = 6,930.81

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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.