Home / 3,227.13-4,840.60-918.63

Finding the Fourth Proportional to 3,227.13, 4,840.60 and 918.63

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Solution

The fourth proportional to 3,227.13, 4,840.60 and 918.63 is: 1,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.13 : 4,840.60 = 918.63 : x
  2. Step 2: Convert to fraction form
    3,227.13/4,840.60 = 918.63/x
  3. Step 3: Cross multiply
    3,227.13x = 4,840.60 × 918.63
  4. Step 4: Simplify right side
    3,227.13x = 4,446,720.38
  5. Step 5: Solve for x
    x = 4,446,720.38/3,227.13
  6. Step 6: Final answer
    x = 1,377.92

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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.