Home / 7,063.64-9,747.75-3,919.83

Finding the Fourth Proportional to 7,063.64, 9,747.75 and 3,919.83

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Solution

The fourth proportional to 7,063.64, 9,747.75 and 3,919.83 is: 5,409.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.64 : 9,747.75 = 3,919.83 : x
  2. Step 2: Convert to fraction form
    7,063.64/9,747.75 = 3,919.83/x
  3. Step 3: Cross multiply
    7,063.64x = 9,747.75 × 3,919.83
  4. Step 4: Simplify right side
    7,063.64x = 38,209,501.03
  5. Step 5: Solve for x
    x = 38,209,501.03/7,063.64
  6. Step 6: Final answer
    x = 5,409.32

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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.