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Finding the Fourth Proportional to 4,498.65, 6,748.65 and 1,212

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Solution

The fourth proportional to 4,498.65, 6,748.65 and 1,212 is: 1,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498.65 : 6,748.65 = 1,212 : x
  2. Step 2: Convert to fraction form
    4,498.65/6,748.65 = 1,212/x
  3. Step 3: Cross multiply
    4,498.65x = 6,748.65 × 1,212
  4. Step 4: Simplify right side
    4,498.65x = 8,179,363.80
  5. Step 5: Solve for x
    x = 8,179,363.80/4,498.65
  6. Step 6: Final answer
    x = 1,818.18

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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.