Home / 7,081.26-9,749.82-6,425.16

Finding the Fourth Proportional to 7,081.26, 9,749.82 and 6,425.16

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Solution

The fourth proportional to 7,081.26, 9,749.82 and 6,425.16 is: 8,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.26 : 9,749.82 = 6,425.16 : x
  2. Step 2: Convert to fraction form
    7,081.26/9,749.82 = 6,425.16/x
  3. Step 3: Cross multiply
    7,081.26x = 9,749.82 × 6,425.16
  4. Step 4: Simplify right side
    7,081.26x = 62,644,153.47
  5. Step 5: Solve for x
    x = 62,644,153.47/7,081.26
  6. Step 6: Final answer
    x = 8,846.47

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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.