Home / 7,214.13-9,956.43-4,231.11

Finding the Fourth Proportional to 7,214.13, 9,956.43 and 4,231.11

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Solution

The fourth proportional to 7,214.13, 9,956.43 and 4,231.11 is: 5,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.13 : 9,956.43 = 4,231.11 : x
  2. Step 2: Convert to fraction form
    7,214.13/9,956.43 = 4,231.11/x
  3. Step 3: Cross multiply
    7,214.13x = 9,956.43 × 4,231.11
  4. Step 4: Simplify right side
    7,214.13x = 42,126,750.54
  5. Step 5: Solve for x
    x = 42,126,750.54/7,214.13
  6. Step 6: Final answer
    x = 5,839.48

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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.