Home / 7,431.84-11,129.04-4,468.68

Finding the Fourth Proportional to 7,431.84, 11,129.04 and 4,468.68

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Solution

The fourth proportional to 7,431.84, 11,129.04 and 4,468.68 is: 6,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.84 : 11,129.04 = 4,468.68 : x
  2. Step 2: Convert to fraction form
    7,431.84/11,129.04 = 4,468.68/x
  3. Step 3: Cross multiply
    7,431.84x = 11,129.04 × 4,468.68
  4. Step 4: Simplify right side
    7,431.84x = 49,732,118.47
  5. Step 5: Solve for x
    x = 49,732,118.47/7,431.84
  6. Step 6: Final answer
    x = 6,691.76

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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.