Home / 7,212.59-9,954.33-4,229.60

Finding the Fourth Proportional to 7,212.59, 9,954.33 and 4,229.60

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Solution

The fourth proportional to 7,212.59, 9,954.33 and 4,229.60 is: 5,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.59 : 9,954.33 = 4,229.60 : x
  2. Step 2: Convert to fraction form
    7,212.59/9,954.33 = 4,229.60/x
  3. Step 3: Cross multiply
    7,212.59x = 9,954.33 × 4,229.60
  4. Step 4: Simplify right side
    7,212.59x = 42,102,834.17
  5. Step 5: Solve for x
    x = 42,102,834.17/7,212.59
  6. Step 6: Final answer
    x = 5,837.41

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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.