Home / 7,318.12-10,977.19-3,425.26

Finding the Fourth Proportional to 7,318.12, 10,977.19 and 3,425.26

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Solution

The fourth proportional to 7,318.12, 10,977.19 and 3,425.26 is: 5,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.12 : 10,977.19 = 3,425.26 : x
  2. Step 2: Convert to fraction form
    7,318.12/10,977.19 = 3,425.26/x
  3. Step 3: Cross multiply
    7,318.12x = 10,977.19 × 3,425.26
  4. Step 4: Simplify right side
    7,318.12x = 37,599,721.26
  5. Step 5: Solve for x
    x = 37,599,721.26/7,318.12
  6. Step 6: Final answer
    x = 5,137.89

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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.