Home / 6,400.00-8,831.96-3,746.87

Finding the Fourth Proportional to 6,400.00, 8,831.96 and 3,746.87

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Solution

The fourth proportional to 6,400.00, 8,831.96 and 3,746.87 is: 5,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.00 : 8,831.96 = 3,746.87 : x
  2. Step 2: Convert to fraction form
    6,400.00/8,831.96 = 3,746.87/x
  3. Step 3: Cross multiply
    6,400.00x = 8,831.96 × 3,746.87
  4. Step 4: Simplify right side
    6,400.00x = 33,092,187.23
  5. Step 5: Solve for x
    x = 33,092,187.23/6,400.00
  6. Step 6: Final answer
    x = 5,170.66

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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.