Home / 7,631.74-11,431.41-4,343.14

Finding the Fourth Proportional to 7,631.74, 11,431.41 and 4,343.14

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Solution

The fourth proportional to 7,631.74, 11,431.41 and 4,343.14 is: 6,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.74 : 11,431.41 = 4,343.14 : x
  2. Step 2: Convert to fraction form
    7,631.74/11,431.41 = 4,343.14/x
  3. Step 3: Cross multiply
    7,631.74x = 11,431.41 × 4,343.14
  4. Step 4: Simplify right side
    7,631.74x = 49,648,214.03
  5. Step 5: Solve for x
    x = 49,648,214.03/7,631.74
  6. Step 6: Final answer
    x = 6,505.49

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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.