Home / 8,434.64-12,647.73-4,488.14

Finding the Fourth Proportional to 8,434.64, 12,647.73 and 4,488.14

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Solution

The fourth proportional to 8,434.64, 12,647.73 and 4,488.14 is: 6,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.64 : 12,647.73 = 4,488.14 : x
  2. Step 2: Convert to fraction form
    8,434.64/12,647.73 = 4,488.14/x
  3. Step 3: Cross multiply
    8,434.64x = 12,647.73 × 4,488.14
  4. Step 4: Simplify right side
    8,434.64x = 56,764,782.92
  5. Step 5: Solve for x
    x = 56,764,782.92/8,434.64
  6. Step 6: Final answer
    x = 6,729.96

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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.