Home / 8,434.20-12,651.53-2,590.82

Finding the Fourth Proportional to 8,434.20, 12,651.53 and 2,590.82

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Solution

The fourth proportional to 8,434.20, 12,651.53 and 2,590.82 is: 3,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.20 : 12,651.53 = 2,590.82 : x
  2. Step 2: Convert to fraction form
    8,434.20/12,651.53 = 2,590.82/x
  3. Step 3: Cross multiply
    8,434.20x = 12,651.53 × 2,590.82
  4. Step 4: Simplify right side
    8,434.20x = 32,777,760.74
  5. Step 5: Solve for x
    x = 32,777,760.74/8,434.20
  6. Step 6: Final answer
    x = 3,886.29

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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.