Home / 4,912.77-7,369.06-1,214.92

Finding the Fourth Proportional to 4,912.77, 7,369.06 and 1,214.92

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Solution

The fourth proportional to 4,912.77, 7,369.06 and 1,214.92 is: 1,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.77 : 7,369.06 = 1,214.92 : x
  2. Step 2: Convert to fraction form
    4,912.77/7,369.06 = 1,214.92/x
  3. Step 3: Cross multiply
    4,912.77x = 7,369.06 × 1,214.92
  4. Step 4: Simplify right side
    4,912.77x = 8,952,818.38
  5. Step 5: Solve for x
    x = 8,952,818.38/4,912.77
  6. Step 6: Final answer
    x = 1,822.36

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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.