Home / 4,219.29-6,328.53-1,297.62

Finding the Fourth Proportional to 4,219.29, 6,328.53 and 1,297.62

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Solution

The fourth proportional to 4,219.29, 6,328.53 and 1,297.62 is: 1,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.29 : 6,328.53 = 1,297.62 : x
  2. Step 2: Convert to fraction form
    4,219.29/6,328.53 = 1,297.62/x
  3. Step 3: Cross multiply
    4,219.29x = 6,328.53 × 1,297.62
  4. Step 4: Simplify right side
    4,219.29x = 8,212,027.10
  5. Step 5: Solve for x
    x = 8,212,027.10/4,219.29
  6. Step 6: Final answer
    x = 1,946.31

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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.