Home / 4,453.12-6,679.68-1,856

Finding the Fourth Proportional to 4,453.12, 6,679.68 and 1,856

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Solution

The fourth proportional to 4,453.12, 6,679.68 and 1,856 is: 2,784

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.12 : 6,679.68 = 1,856 : x
  2. Step 2: Convert to fraction form
    4,453.12/6,679.68 = 1,856/x
  3. Step 3: Cross multiply
    4,453.12x = 6,679.68 × 1,856
  4. Step 4: Simplify right side
    4,453.12x = 12,397,486.08
  5. Step 5: Solve for x
    x = 12,397,486.08/4,453.12
  6. Step 6: Final answer
    x = 2,784

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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.