Home / 6,857.76-10,288.62-2,910.68

Finding the Fourth Proportional to 6,857.76, 10,288.62 and 2,910.68

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Solution

The fourth proportional to 6,857.76, 10,288.62 and 2,910.68 is: 4,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.76 : 10,288.62 = 2,910.68 : x
  2. Step 2: Convert to fraction form
    6,857.76/10,288.62 = 2,910.68/x
  3. Step 3: Cross multiply
    6,857.76x = 10,288.62 × 2,910.68
  4. Step 4: Simplify right side
    6,857.76x = 29,946,925.47
  5. Step 5: Solve for x
    x = 29,946,925.47/6,857.76
  6. Step 6: Final answer
    x = 4,366.86

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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.