Home / 4,152.36-6,227.32-3,420.12

Finding the Fourth Proportional to 4,152.36, 6,227.32 and 3,420.12

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Solution

The fourth proportional to 4,152.36, 6,227.32 and 3,420.12 is: 5,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.36 : 6,227.32 = 3,420.12 : x
  2. Step 2: Convert to fraction form
    4,152.36/6,227.32 = 3,420.12/x
  3. Step 3: Cross multiply
    4,152.36x = 6,227.32 × 3,420.12
  4. Step 4: Simplify right side
    4,152.36x = 21,298,181.68
  5. Step 5: Solve for x
    x = 21,298,181.68/4,152.36
  6. Step 6: Final answer
    x = 5,129.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.