Home / 8,434.26-12,651.39-2,590.92

Finding the Fourth Proportional to 8,434.26, 12,651.39 and 2,590.92

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Solution

The fourth proportional to 8,434.26, 12,651.39 and 2,590.92 is: 3,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.26 : 12,651.39 = 2,590.92 : x
  2. Step 2: Convert to fraction form
    8,434.26/12,651.39 = 2,590.92/x
  3. Step 3: Cross multiply
    8,434.26x = 12,651.39 × 2,590.92
  4. Step 4: Simplify right side
    8,434.26x = 32,778,739.38
  5. Step 5: Solve for x
    x = 32,778,739.38/8,434.26
  6. Step 6: Final answer
    x = 3,886.38

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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.