Home / 9,214.39-12,715.89-5,236.83

Finding the Fourth Proportional to 9,214.39, 12,715.89 and 5,236.83

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Solution

The fourth proportional to 9,214.39, 12,715.89 and 5,236.83 is: 7,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.39 : 12,715.89 = 5,236.83 : x
  2. Step 2: Convert to fraction form
    9,214.39/12,715.89 = 5,236.83/x
  3. Step 3: Cross multiply
    9,214.39x = 12,715.89 × 5,236.83
  4. Step 4: Simplify right side
    9,214.39x = 66,590,954.23
  5. Step 5: Solve for x
    x = 66,590,954.23/9,214.39
  6. Step 6: Final answer
    x = 7,226.84

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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.