Home / 7,384.16-10,190-4,027

Finding the Fourth Proportional to 7,384.16, 10,190 and 4,027

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Solution

The fourth proportional to 7,384.16, 10,190 and 4,027 is: 5,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.16 : 10,190 = 4,027 : x
  2. Step 2: Convert to fraction form
    7,384.16/10,190 = 4,027/x
  3. Step 3: Cross multiply
    7,384.16x = 10,190 × 4,027
  4. Step 4: Simplify right side
    7,384.16x = 41,035,130
  5. Step 5: Solve for x
    x = 41,035,130/7,384.16
  6. Step 6: Final answer
    x = 5,557.18

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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.