Home / 9,306.11-12,838.06-5,529.39

Finding the Fourth Proportional to 9,306.11, 12,838.06 and 5,529.39

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Solution

The fourth proportional to 9,306.11, 12,838.06 and 5,529.39 is: 7,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.11 : 12,838.06 = 5,529.39 : x
  2. Step 2: Convert to fraction form
    9,306.11/12,838.06 = 5,529.39/x
  3. Step 3: Cross multiply
    9,306.11x = 12,838.06 × 5,529.39
  4. Step 4: Simplify right side
    9,306.11x = 70,986,640.58
  5. Step 5: Solve for x
    x = 70,986,640.58/9,306.11
  6. Step 6: Final answer
    x = 7,627.96

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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.