Home / 8,260.71-12,390.26-2,417.37

Finding the Fourth Proportional to 8,260.71, 12,390.26 and 2,417.37

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Solution

The fourth proportional to 8,260.71, 12,390.26 and 2,417.37 is: 3,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.71 : 12,390.26 = 2,417.37 : x
  2. Step 2: Convert to fraction form
    8,260.71/12,390.26 = 2,417.37/x
  3. Step 3: Cross multiply
    8,260.71x = 12,390.26 × 2,417.37
  4. Step 4: Simplify right side
    8,260.71x = 29,951,830.73
  5. Step 5: Solve for x
    x = 29,951,830.73/8,260.71
  6. Step 6: Final answer
    x = 3,625.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.