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Finding the Fourth Proportional to 4,786.07, 7,178.06 and 1,498.73

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Solution

The fourth proportional to 4,786.07, 7,178.06 and 1,498.73 is: 2,247.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.07 : 7,178.06 = 1,498.73 : x
  2. Step 2: Convert to fraction form
    4,786.07/7,178.06 = 1,498.73/x
  3. Step 3: Cross multiply
    4,786.07x = 7,178.06 × 1,498.73
  4. Step 4: Simplify right side
    4,786.07x = 10,757,959.67
  5. Step 5: Solve for x
    x = 10,757,959.67/4,786.07
  6. Step 6: Final answer
    x = 2,247.77

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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.