Home / 5,633.79-7,773.94-3,115.56

Finding the Fourth Proportional to 5,633.79, 7,773.94 and 3,115.56

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Solution

The fourth proportional to 5,633.79, 7,773.94 and 3,115.56 is: 4,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.79 : 7,773.94 = 3,115.56 : x
  2. Step 2: Convert to fraction form
    5,633.79/7,773.94 = 3,115.56/x
  3. Step 3: Cross multiply
    5,633.79x = 7,773.94 × 3,115.56
  4. Step 4: Simplify right side
    5,633.79x = 24,220,176.51
  5. Step 5: Solve for x
    x = 24,220,176.51/5,633.79
  6. Step 6: Final answer
    x = 4,299.09

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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.