Home / 7,639.39-11,460.87-2,374.12

Finding the Fourth Proportional to 7,639.39, 11,460.87 and 2,374.12

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Solution

The fourth proportional to 7,639.39, 11,460.87 and 2,374.12 is: 3,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.39 : 11,460.87 = 2,374.12 : x
  2. Step 2: Convert to fraction form
    7,639.39/11,460.87 = 2,374.12/x
  3. Step 3: Cross multiply
    7,639.39x = 11,460.87 × 2,374.12
  4. Step 4: Simplify right side
    7,639.39x = 27,209,480.68
  5. Step 5: Solve for x
    x = 27,209,480.68/7,639.39
  6. Step 6: Final answer
    x = 3,561.73

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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.