Home / 5,143.00-7,715.58-1,632.56

Finding the Fourth Proportional to 5,143.00, 7,715.58 and 1,632.56

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Solution

The fourth proportional to 5,143.00, 7,715.58 and 1,632.56 is: 2,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.00 : 7,715.58 = 1,632.56 : x
  2. Step 2: Convert to fraction form
    5,143.00/7,715.58 = 1,632.56/x
  3. Step 3: Cross multiply
    5,143.00x = 7,715.58 × 1,632.56
  4. Step 4: Simplify right side
    5,143.00x = 12,596,161.17
  5. Step 5: Solve for x
    x = 12,596,161.17/5,143.00
  6. Step 6: Final answer
    x = 2,449.19

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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.