Home / 8,260.52-12,379.14-6,402.94

Finding the Fourth Proportional to 8,260.52, 12,379.14 and 6,402.94

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Solution

The fourth proportional to 8,260.52, 12,379.14 and 6,402.94 is: 9,595.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.52 : 12,379.14 = 6,402.94 : x
  2. Step 2: Convert to fraction form
    8,260.52/12,379.14 = 6,402.94/x
  3. Step 3: Cross multiply
    8,260.52x = 12,379.14 × 6,402.94
  4. Step 4: Simplify right side
    8,260.52x = 79,262,859.72
  5. Step 5: Solve for x
    x = 79,262,859.72/8,260.52
  6. Step 6: Final answer
    x = 9,595.39

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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.