Home / 7,219.38-9,961.30-4,236.14

Finding the Fourth Proportional to 7,219.38, 9,961.30 and 4,236.14

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Solution

The fourth proportional to 7,219.38, 9,961.30 and 4,236.14 is: 5,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.38 : 9,961.30 = 4,236.14 : x
  2. Step 2: Convert to fraction form
    7,219.38/9,961.30 = 4,236.14/x
  3. Step 3: Cross multiply
    7,219.38x = 9,961.30 × 4,236.14
  4. Step 4: Simplify right side
    7,219.38x = 42,197,461.38
  5. Step 5: Solve for x
    x = 42,197,461.38/7,219.38
  6. Step 6: Final answer
    x = 5,845.03

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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.