Home / 4,152.90-6,230.37-3,420.94

Finding the Fourth Proportional to 4,152.90, 6,230.37 and 3,420.94

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Solution

The fourth proportional to 4,152.90, 6,230.37 and 3,420.94 is: 5,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.90 : 6,230.37 = 3,420.94 : x
  2. Step 2: Convert to fraction form
    4,152.90/6,230.37 = 3,420.94/x
  3. Step 3: Cross multiply
    4,152.90x = 6,230.37 × 3,420.94
  4. Step 4: Simplify right side
    4,152.90x = 21,313,690.80
  5. Step 5: Solve for x
    x = 21,313,690.80/4,152.90
  6. Step 6: Final answer
    x = 5,132.25

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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.