Home / 4,814.42-6,643.82-2,689.82

Finding the Fourth Proportional to 4,814.42, 6,643.82 and 2,689.82

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Solution

The fourth proportional to 4,814.42, 6,643.82 and 2,689.82 is: 3,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.42 : 6,643.82 = 2,689.82 : x
  2. Step 2: Convert to fraction form
    4,814.42/6,643.82 = 2,689.82/x
  3. Step 3: Cross multiply
    4,814.42x = 6,643.82 × 2,689.82
  4. Step 4: Simplify right side
    4,814.42x = 17,870,633.24
  5. Step 5: Solve for x
    x = 17,870,633.24/4,814.42
  6. Step 6: Final answer
    x = 3,711.90

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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.