Home / 8,260.47-12,394.35-3,339.72

Finding the Fourth Proportional to 8,260.47, 12,394.35 and 3,339.72

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Solution

The fourth proportional to 8,260.47, 12,394.35 and 3,339.72 is: 5,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.47 : 12,394.35 = 3,339.72 : x
  2. Step 2: Convert to fraction form
    8,260.47/12,394.35 = 3,339.72/x
  3. Step 3: Cross multiply
    8,260.47x = 12,394.35 × 3,339.72
  4. Step 4: Simplify right side
    8,260.47x = 41,393,658.58
  5. Step 5: Solve for x
    x = 41,393,658.58/8,260.47
  6. Step 6: Final answer
    x = 5,011.05

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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.