Home / 9,217.91-12,710.68-6,228.56

Finding the Fourth Proportional to 9,217.91, 12,710.68 and 6,228.56

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Solution

The fourth proportional to 9,217.91, 12,710.68 and 6,228.56 is: 8,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.91 : 12,710.68 = 6,228.56 : x
  2. Step 2: Convert to fraction form
    9,217.91/12,710.68 = 6,228.56/x
  3. Step 3: Cross multiply
    9,217.91x = 12,710.68 × 6,228.56
  4. Step 4: Simplify right side
    9,217.91x = 79,169,249.23
  5. Step 5: Solve for x
    x = 79,169,249.23/9,217.91
  6. Step 6: Final answer
    x = 8,588.63

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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.