Home / 4,825.67-6,647.51-4,115.20

Finding the Fourth Proportional to 4,825.67, 6,647.51 and 4,115.20

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Solution

The fourth proportional to 4,825.67, 6,647.51 and 4,115.20 is: 5,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.67 : 6,647.51 = 4,115.20 : x
  2. Step 2: Convert to fraction form
    4,825.67/6,647.51 = 4,115.20/x
  3. Step 3: Cross multiply
    4,825.67x = 6,647.51 × 4,115.20
  4. Step 4: Simplify right side
    4,825.67x = 27,355,833.15
  5. Step 5: Solve for x
    x = 27,355,833.15/4,825.67
  6. Step 6: Final answer
    x = 5,668.82

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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.