Home / 9,208.20-12,706.26-5,228.52

Finding the Fourth Proportional to 9,208.20, 12,706.26 and 5,228.52

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Solution

The fourth proportional to 9,208.20, 12,706.26 and 5,228.52 is: 7,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.20 : 12,706.26 = 5,228.52 : x
  2. Step 2: Convert to fraction form
    9,208.20/12,706.26 = 5,228.52/x
  3. Step 3: Cross multiply
    9,208.20x = 12,706.26 × 5,228.52
  4. Step 4: Simplify right side
    9,208.20x = 66,434,934.54
  5. Step 5: Solve for x
    x = 66,434,934.54/9,208.20
  6. Step 6: Final answer
    x = 7,214.76

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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.