Home / 6,624.75-9,143.79-3,831.87

Finding the Fourth Proportional to 6,624.75, 9,143.79 and 3,831.87

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Solution

The fourth proportional to 6,624.75, 9,143.79 and 3,831.87 is: 5,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.75 : 9,143.79 = 3,831.87 : x
  2. Step 2: Convert to fraction form
    6,624.75/9,143.79 = 3,831.87/x
  3. Step 3: Cross multiply
    6,624.75x = 9,143.79 × 3,831.87
  4. Step 4: Simplify right side
    6,624.75x = 35,037,814.59
  5. Step 5: Solve for x
    x = 35,037,814.59/6,624.75
  6. Step 6: Final answer
    x = 5,288.93

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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.