Home / 7,748.94-10,693.64-4,212.15

Finding the Fourth Proportional to 7,748.94, 10,693.64 and 4,212.15

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Solution

The fourth proportional to 7,748.94, 10,693.64 and 4,212.15 is: 5,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.94 : 10,693.64 = 4,212.15 : x
  2. Step 2: Convert to fraction form
    7,748.94/10,693.64 = 4,212.15/x
  3. Step 3: Cross multiply
    7,748.94x = 10,693.64 × 4,212.15
  4. Step 4: Simplify right side
    7,748.94x = 45,043,215.73
  5. Step 5: Solve for x
    x = 45,043,215.73/7,748.94
  6. Step 6: Final answer
    x = 5,812.82

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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.