Home / 6,145.14-8,479.29-3,491.98

Finding the Fourth Proportional to 6,145.14, 8,479.29 and 3,491.98

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Solution

The fourth proportional to 6,145.14, 8,479.29 and 3,491.98 is: 4,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.14 : 8,479.29 = 3,491.98 : x
  2. Step 2: Convert to fraction form
    6,145.14/8,479.29 = 3,491.98/x
  3. Step 3: Cross multiply
    6,145.14x = 8,479.29 × 3,491.98
  4. Step 4: Simplify right side
    6,145.14x = 29,609,511.09
  5. Step 5: Solve for x
    x = 29,609,511.09/6,145.14
  6. Step 6: Final answer
    x = 4,818.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.