Home / 8,400.42-12,598.68-3,717.90

Finding the Fourth Proportional to 8,400.42, 12,598.68 and 3,717.90

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Solution

The fourth proportional to 8,400.42, 12,598.68 and 3,717.90 is: 5,575.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.42 : 12,598.68 = 3,717.90 : x
  2. Step 2: Convert to fraction form
    8,400.42/12,598.68 = 3,717.90/x
  3. Step 3: Cross multiply
    8,400.42x = 12,598.68 × 3,717.90
  4. Step 4: Simplify right side
    8,400.42x = 46,840,632.37
  5. Step 5: Solve for x
    x = 46,840,632.37/8,400.42
  6. Step 6: Final answer
    x = 5,575.99

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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.