Home / 8,465.07-12,697.61-2,309.07

Finding the Fourth Proportional to 8,465.07, 12,697.61 and 2,309.07

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Solution

The fourth proportional to 8,465.07, 12,697.61 and 2,309.07 is: 3,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.07 : 12,697.61 = 2,309.07 : x
  2. Step 2: Convert to fraction form
    8,465.07/12,697.61 = 2,309.07/x
  3. Step 3: Cross multiply
    8,465.07x = 12,697.61 × 2,309.07
  4. Step 4: Simplify right side
    8,465.07x = 29,319,658.78
  5. Step 5: Solve for x
    x = 29,319,658.78/8,465.07
  6. Step 6: Final answer
    x = 3,463.61

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Similar ratio
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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.