Home / 8,145.86-12,218.76-2,950.52

Finding the Fourth Proportional to 8,145.86, 12,218.76 and 2,950.52

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Solution

The fourth proportional to 8,145.86, 12,218.76 and 2,950.52 is: 4,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.86 : 12,218.76 = 2,950.52 : x
  2. Step 2: Convert to fraction form
    8,145.86/12,218.76 = 2,950.52/x
  3. Step 3: Cross multiply
    8,145.86x = 12,218.76 × 2,950.52
  4. Step 4: Simplify right side
    8,145.86x = 36,051,695.76
  5. Step 5: Solve for x
    x = 36,051,695.76/8,145.86
  6. Step 6: Final answer
    x = 4,425.77

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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.