Home / 4,230.80-6,346.20-1,269.36

Finding the Fourth Proportional to 4,230.80, 6,346.20 and 1,269.36

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Solution

The fourth proportional to 4,230.80, 6,346.20 and 1,269.36 is: 1,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.80 : 6,346.20 = 1,269.36 : x
  2. Step 2: Convert to fraction form
    4,230.80/6,346.20 = 1,269.36/x
  3. Step 3: Cross multiply
    4,230.80x = 6,346.20 × 1,269.36
  4. Step 4: Simplify right side
    4,230.80x = 8,055,612.43
  5. Step 5: Solve for x
    x = 8,055,612.43/4,230.80
  6. Step 6: Final answer
    x = 1,904.04

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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.