Home / 7,546.19-11,330.39-4,220.95

Finding the Fourth Proportional to 7,546.19, 11,330.39 and 4,220.95

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Solution

The fourth proportional to 7,546.19, 11,330.39 and 4,220.95 is: 6,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,546.19 : 11,330.39 = 4,220.95 : x
  2. Step 2: Convert to fraction form
    7,546.19/11,330.39 = 4,220.95/x
  3. Step 3: Cross multiply
    7,546.19x = 11,330.39 × 4,220.95
  4. Step 4: Simplify right side
    7,546.19x = 47,824,988.57
  5. Step 5: Solve for x
    x = 47,824,988.57/7,546.19
  6. Step 6: Final answer
    x = 6,337.64

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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.