Home / 4,210.85-5,813.69-3,767.99

Finding the Fourth Proportional to 4,210.85, 5,813.69 and 3,767.99

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Solution

The fourth proportional to 4,210.85, 5,813.69 and 3,767.99 is: 5,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.85 : 5,813.69 = 3,767.99 : x
  2. Step 2: Convert to fraction form
    4,210.85/5,813.69 = 3,767.99/x
  3. Step 3: Cross multiply
    4,210.85x = 5,813.69 × 3,767.99
  4. Step 4: Simplify right side
    4,210.85x = 21,905,877.87
  5. Step 5: Solve for x
    x = 21,905,877.87/4,210.85
  6. Step 6: Final answer
    x = 5,202.24

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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.