Home / 7,431.41-11,148.56-2,751.45

Finding the Fourth Proportional to 7,431.41, 11,148.56 and 2,751.45

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Solution

The fourth proportional to 7,431.41, 11,148.56 and 2,751.45 is: 4,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.41 : 11,148.56 = 2,751.45 : x
  2. Step 2: Convert to fraction form
    7,431.41/11,148.56 = 2,751.45/x
  3. Step 3: Cross multiply
    7,431.41x = 11,148.56 × 2,751.45
  4. Step 4: Simplify right side
    7,431.41x = 30,674,705.41
  5. Step 5: Solve for x
    x = 30,674,705.41/7,431.41
  6. Step 6: Final answer
    x = 4,127.71

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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.