Home / 6,431.54-8,873.55-4,192.61

Finding the Fourth Proportional to 6,431.54, 8,873.55 and 4,192.61

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Solution

The fourth proportional to 6,431.54, 8,873.55 and 4,192.61 is: 5,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.54 : 8,873.55 = 4,192.61 : x
  2. Step 2: Convert to fraction form
    6,431.54/8,873.55 = 4,192.61/x
  3. Step 3: Cross multiply
    6,431.54x = 8,873.55 × 4,192.61
  4. Step 4: Simplify right side
    6,431.54x = 37,203,290.10
  5. Step 5: Solve for x
    x = 37,203,290.10/6,431.54
  6. Step 6: Final answer
    x = 5,784.51

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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.