Home / 7,748.70-10,693.08-4,212

Finding the Fourth Proportional to 7,748.70, 10,693.08 and 4,212

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Solution

The fourth proportional to 7,748.70, 10,693.08 and 4,212 is: 5,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.70 : 10,693.08 = 4,212 : x
  2. Step 2: Convert to fraction form
    7,748.70/10,693.08 = 4,212/x
  3. Step 3: Cross multiply
    7,748.70x = 10,693.08 × 4,212
  4. Step 4: Simplify right side
    7,748.70x = 45,039,252.96
  5. Step 5: Solve for x
    x = 45,039,252.96/7,748.70
  6. Step 6: Final answer
    x = 5,812.49

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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.