Home / 7,063.30-9,747.93-3,920.50

Finding the Fourth Proportional to 7,063.30, 9,747.93 and 3,920.50

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Solution

The fourth proportional to 7,063.30, 9,747.93 and 3,920.50 is: 5,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.30 : 9,747.93 = 3,920.50 : x
  2. Step 2: Convert to fraction form
    7,063.30/9,747.93 = 3,920.50/x
  3. Step 3: Cross multiply
    7,063.30x = 9,747.93 × 3,920.50
  4. Step 4: Simplify right side
    7,063.30x = 38,216,759.57
  5. Step 5: Solve for x
    x = 38,216,759.57/7,063.30
  6. Step 6: Final answer
    x = 5,410.61

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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.