Home / 4,219.36-6,328.36-1,445.92

Finding the Fourth Proportional to 4,219.36, 6,328.36 and 1,445.92

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Solution

The fourth proportional to 4,219.36, 6,328.36 and 1,445.92 is: 2,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.36 : 6,328.36 = 1,445.92 : x
  2. Step 2: Convert to fraction form
    4,219.36/6,328.36 = 1,445.92/x
  3. Step 3: Cross multiply
    4,219.36x = 6,328.36 × 1,445.92
  4. Step 4: Simplify right side
    4,219.36x = 9,150,302.29
  5. Step 5: Solve for x
    x = 9,150,302.29/4,219.36
  6. Step 6: Final answer
    x = 2,168.65

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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.