Home / 7,385.53-10,191.81-4,028.41

Finding the Fourth Proportional to 7,385.53, 10,191.81 and 4,028.41

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Solution

The fourth proportional to 7,385.53, 10,191.81 and 4,028.41 is: 5,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.53 : 10,191.81 = 4,028.41 : x
  2. Step 2: Convert to fraction form
    7,385.53/10,191.81 = 4,028.41/x
  3. Step 3: Cross multiply
    7,385.53x = 10,191.81 × 4,028.41
  4. Step 4: Simplify right side
    7,385.53x = 41,056,789.32
  5. Step 5: Solve for x
    x = 41,056,789.32/7,385.53
  6. Step 6: Final answer
    x = 5,559.09

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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.