Home / 4,135.13-6,172.92-3,543.75

Finding the Fourth Proportional to 4,135.13, 6,172.92 and 3,543.75

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Solution

The fourth proportional to 4,135.13, 6,172.92 and 3,543.75 is: 5,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.13 : 6,172.92 = 3,543.75 : x
  2. Step 2: Convert to fraction form
    4,135.13/6,172.92 = 3,543.75/x
  3. Step 3: Cross multiply
    4,135.13x = 6,172.92 × 3,543.75
  4. Step 4: Simplify right side
    4,135.13x = 21,875,285.25
  5. Step 5: Solve for x
    x = 21,875,285.25/4,135.13
  6. Step 6: Final answer
    x = 5,290.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.