Home / 8,230.97-12,347.67-2,386.82

Finding the Fourth Proportional to 8,230.97, 12,347.67 and 2,386.82

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Solution

The fourth proportional to 8,230.97, 12,347.67 and 2,386.82 is: 3,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.97 : 12,347.67 = 2,386.82 : x
  2. Step 2: Convert to fraction form
    8,230.97/12,347.67 = 2,386.82/x
  3. Step 3: Cross multiply
    8,230.97x = 12,347.67 × 2,386.82
  4. Step 4: Simplify right side
    8,230.97x = 29,471,665.71
  5. Step 5: Solve for x
    x = 29,471,665.71/8,230.97
  6. Step 6: Final answer
    x = 3,580.58

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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.