Home / 6,209.91-9,320.33-5,236.68

Finding the Fourth Proportional to 6,209.91, 9,320.33 and 5,236.68

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Solution

The fourth proportional to 6,209.91, 9,320.33 and 5,236.68 is: 7,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.91 : 9,320.33 = 5,236.68 : x
  2. Step 2: Convert to fraction form
    6,209.91/9,320.33 = 5,236.68/x
  3. Step 3: Cross multiply
    6,209.91x = 9,320.33 × 5,236.68
  4. Step 4: Simplify right side
    6,209.91x = 48,807,559.52
  5. Step 5: Solve for x
    x = 48,807,559.52/6,209.91
  6. Step 6: Final answer
    x = 7,859.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.