Home / 4,887.69-6,738.39-3,206.13

Finding the Fourth Proportional to 4,887.69, 6,738.39 and 3,206.13

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Solution

The fourth proportional to 4,887.69, 6,738.39 and 3,206.13 is: 4,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.69 : 6,738.39 = 3,206.13 : x
  2. Step 2: Convert to fraction form
    4,887.69/6,738.39 = 3,206.13/x
  3. Step 3: Cross multiply
    4,887.69x = 6,738.39 × 3,206.13
  4. Step 4: Simplify right side
    4,887.69x = 21,604,154.33
  5. Step 5: Solve for x
    x = 21,604,154.33/4,887.69
  6. Step 6: Final answer
    x = 4,420.12

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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.