Home / 4,219.26-6,328.99-1,445.91

Finding the Fourth Proportional to 4,219.26, 6,328.99 and 1,445.91

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Solution

The fourth proportional to 4,219.26, 6,328.99 and 1,445.91 is: 2,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.26 : 6,328.99 = 1,445.91 : x
  2. Step 2: Convert to fraction form
    4,219.26/6,328.99 = 1,445.91/x
  3. Step 3: Cross multiply
    4,219.26x = 6,328.99 × 1,445.91
  4. Step 4: Simplify right side
    4,219.26x = 9,151,149.93
  5. Step 5: Solve for x
    x = 9,151,149.93/4,219.26
  6. Step 6: Final answer
    x = 2,168.90

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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.