Home / 9,630.08-13,288.20-5,380.62

Finding the Fourth Proportional to 9,630.08, 13,288.20 and 5,380.62

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Solution

The fourth proportional to 9,630.08, 13,288.20 and 5,380.62 is: 7,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630.08 : 13,288.20 = 5,380.62 : x
  2. Step 2: Convert to fraction form
    9,630.08/13,288.20 = 5,380.62/x
  3. Step 3: Cross multiply
    9,630.08x = 13,288.20 × 5,380.62
  4. Step 4: Simplify right side
    9,630.08x = 71,498,754.68
  5. Step 5: Solve for x
    x = 71,498,754.68/9,630.08
  6. Step 6: Final answer
    x = 7,424.52

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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.