Home / 7,631.82-10,537.08-5,117.69

Finding the Fourth Proportional to 7,631.82, 10,537.08 and 5,117.69

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Solution

The fourth proportional to 7,631.82, 10,537.08 and 5,117.69 is: 7,065.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.82 : 10,537.08 = 5,117.69 : x
  2. Step 2: Convert to fraction form
    7,631.82/10,537.08 = 5,117.69/x
  3. Step 3: Cross multiply
    7,631.82x = 10,537.08 × 5,117.69
  4. Step 4: Simplify right side
    7,631.82x = 53,925,508.95
  5. Step 5: Solve for x
    x = 53,925,508.95/7,631.82
  6. Step 6: Final answer
    x = 7,065.88

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1.5x scale

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.