Home / 7,631.63-10,537.74-5,081.88

Finding the Fourth Proportional to 7,631.63, 10,537.74 and 5,081.88

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Solution

The fourth proportional to 7,631.63, 10,537.74 and 5,081.88 is: 7,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.63 : 10,537.74 = 5,081.88 : x
  2. Step 2: Convert to fraction form
    7,631.63/10,537.74 = 5,081.88/x
  3. Step 3: Cross multiply
    7,631.63x = 10,537.74 × 5,081.88
  4. Step 4: Simplify right side
    7,631.63x = 53,551,530.15
  5. Step 5: Solve for x
    x = 53,551,530.15/7,631.63
  6. Step 6: Final answer
    x = 7,017.05

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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.