Home / 4,814.36-6,645.75-3,137.21

Finding the Fourth Proportional to 4,814.36, 6,645.75 and 3,137.21

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Solution

The fourth proportional to 4,814.36, 6,645.75 and 3,137.21 is: 4,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.36 : 6,645.75 = 3,137.21 : x
  2. Step 2: Convert to fraction form
    4,814.36/6,645.75 = 3,137.21/x
  3. Step 3: Cross multiply
    4,814.36x = 6,645.75 × 3,137.21
  4. Step 4: Simplify right side
    4,814.36x = 20,849,074.59
  5. Step 5: Solve for x
    x = 20,849,074.59/4,814.36
  6. Step 6: Final answer
    x = 4,330.60

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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.