Home / 7,063.29-9,747.68-3,919.50

Finding the Fourth Proportional to 7,063.29, 9,747.68 and 3,919.50

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Solution

The fourth proportional to 7,063.29, 9,747.68 and 3,919.50 is: 5,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.29 : 9,747.68 = 3,919.50 : x
  2. Step 2: Convert to fraction form
    7,063.29/9,747.68 = 3,919.50/x
  3. Step 3: Cross multiply
    7,063.29x = 9,747.68 × 3,919.50
  4. Step 4: Simplify right side
    7,063.29x = 38,206,012.16
  5. Step 5: Solve for x
    x = 38,206,012.16/7,063.29
  6. Step 6: Final answer
    x = 5,409.10

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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.