Home / 6,859.62-9,466.28-3,715.82

Finding the Fourth Proportional to 6,859.62, 9,466.28 and 3,715.82

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Solution

The fourth proportional to 6,859.62, 9,466.28 and 3,715.82 is: 5,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.62 : 9,466.28 = 3,715.82 : x
  2. Step 2: Convert to fraction form
    6,859.62/9,466.28 = 3,715.82/x
  3. Step 3: Cross multiply
    6,859.62x = 9,466.28 × 3,715.82
  4. Step 4: Simplify right side
    6,859.62x = 35,174,992.55
  5. Step 5: Solve for x
    x = 35,174,992.55/6,859.62
  6. Step 6: Final answer
    x = 5,127.83

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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.