Home / 7,169.81-9,894.33-4,025.99

Finding the Fourth Proportional to 7,169.81, 9,894.33 and 4,025.99

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Solution

The fourth proportional to 7,169.81, 9,894.33 and 4,025.99 is: 5,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.81 : 9,894.33 = 4,025.99 : x
  2. Step 2: Convert to fraction form
    7,169.81/9,894.33 = 4,025.99/x
  3. Step 3: Cross multiply
    7,169.81x = 9,894.33 × 4,025.99
  4. Step 4: Simplify right side
    7,169.81x = 39,834,498.37
  5. Step 5: Solve for x
    x = 39,834,498.37/7,169.81
  6. Step 6: Final answer
    x = 5,555.87

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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.