Home / 5,150.08-7,723.36-1,686.52

Finding the Fourth Proportional to 5,150.08, 7,723.36 and 1,686.52

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Solution

The fourth proportional to 5,150.08, 7,723.36 and 1,686.52 is: 2,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.08 : 7,723.36 = 1,686.52 : x
  2. Step 2: Convert to fraction form
    5,150.08/7,723.36 = 1,686.52/x
  3. Step 3: Cross multiply
    5,150.08x = 7,723.36 × 1,686.52
  4. Step 4: Simplify right side
    5,150.08x = 13,025,601.11
  5. Step 5: Solve for x
    x = 13,025,601.11/5,150.08
  6. Step 6: Final answer
    x = 2,529.20

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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.