Home / 8,260.11-12,386.79-4,098.60

Finding the Fourth Proportional to 8,260.11, 12,386.79 and 4,098.60

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Solution

The fourth proportional to 8,260.11, 12,386.79 and 4,098.60 is: 6,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.11 : 12,386.79 = 4,098.60 : x
  2. Step 2: Convert to fraction form
    8,260.11/12,386.79 = 4,098.60/x
  3. Step 3: Cross multiply
    8,260.11x = 12,386.79 × 4,098.60
  4. Step 4: Simplify right side
    8,260.11x = 50,768,497.49
  5. Step 5: Solve for x
    x = 50,768,497.49/8,260.11
  6. Step 6: Final answer
    x = 6,146.23

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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.