Home / 7,431.73-10,246.82-6,421.61

Finding the Fourth Proportional to 7,431.73, 10,246.82 and 6,421.61

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Solution

The fourth proportional to 7,431.73, 10,246.82 and 6,421.61 is: 8,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.73 : 10,246.82 = 6,421.61 : x
  2. Step 2: Convert to fraction form
    7,431.73/10,246.82 = 6,421.61/x
  3. Step 3: Cross multiply
    7,431.73x = 10,246.82 × 6,421.61
  4. Step 4: Simplify right side
    7,431.73x = 65,801,081.78
  5. Step 5: Solve for x
    x = 65,801,081.78/7,431.73
  6. Step 6: Final answer
    x = 8,854.07

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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.